due_at fix

.gitignore

@@ -3,4 +3,6 @@ ENV
 api/config/dbconfig.ini
 api/config/authservice.pub
 cli/config/dbconfig.ini
-
+*~
+.*~
+.vscode/

api/additional_endpoints.yaml

@@ -88,4 +88,43 @@
                   $ref: '#/components/schemas/tenant_with_saldo'
       security:
       - jwt: ['secret']
+  /v1/accounts/bydescription/{description}:
+    get:
+      tags: [ "account" ]
+      summary: Return the normalized account with given description
+      operationId: additional_methods.get_account_by_description
+      parameters:
+        - name: description
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: account response
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/account'
+      security:
+      - jwt: ['secret']
+  /v1/uniquenumber:
+    get:
+      tags: [ "uniquenumber" ]
+      summary: Returns a unique number
+      operationId: additional_methods.get_unique_number
+      responses:
+        '200':
+          description: get_unique_number
+          content:
+            'application/json':
+              schema:
+                type: object
+                properties:
+                  number:
+                    type: number
+      security:
+      - jwt: ['secret']
 

api/additional_methods.py

@@ -36,11 +36,28 @@ def get_account_saldo(user, token_info, accountId=None):
 def get_tenant_with_saldo(user, token_info):
     return dbGetMany(user, token_info, {
             "statement": """
-                             SELECT t.firstname, t.lastname, t.address1, sum(a.amount) AS saldo 
-                               FROM tenant_t t, account_entry_t a 
-                               WHERE a.account = t.account 
-                               GROUP BY t.firstname, t.lastname, t.address1
+                             SELECT t.id, t.firstname, t.lastname, t.address1, sum(a.amount) AS saldo 
+                               FROM tenant_t t LEFT OUTER JOIN account_entry_t a ON a.account = t.account 
+                               GROUP BY t.id, t.firstname, t.lastname, t.address1
                          """, 
             "params": ()
         }
     )
+
+def get_account_by_description(user, token_info, description=None):
+    return dbGetOne(user, token_info, {
+            "statement": """
+SELECT a.id ,a.description
+  FROM account_t a
+  WHERE a.description = %s""", 
+            "params": (description, )
+        }
+    )
+
+def get_unique_number(user, token_info):
+    return dbGetOne(user, token_info, {
+        "statement": """
+SELECT nextval('unique_number_s') AS "number"
+        """,
+        "params": ()
+    })

api/methods.py

@@ -269,6 +269,9 @@ SELECT
   ,account
   FROM tenant_t
   WHERE account = %s
+  ORDER BY
+    lastname
+    ,firstname
                          """, 
             "params": (accountId, )
         }
@@ -283,6 +286,7 @@ SELECT
   ,street
   ,zip
   ,city
+  ,account
   FROM premise_t
   ORDER BY
     description
@@ -298,6 +302,7 @@ def insert_premise(user, token_info, **args):
     v_street = body["street"]
     v_zip = body["zip"]
     v_city = body["city"]
+    v_account = body["account"]
     return dbInsert(user, token_info, {
       "statement": """
 INSERT INTO premise_t
@@ -306,11 +311,13 @@ INSERT INTO premise_t
     ,street
     ,zip
     ,city
+    ,account
   ) VALUES (
     %s
     ,%s
     ,%s
     ,%s
+    ,%s
   )
   RETURNING *
 """,
@@ -319,6 +326,7 @@ INSERT INTO premise_t
     ,v_street
     ,v_zip
     ,v_city
+    ,v_account
       ]      
     })
   except KeyError as e:
@@ -335,6 +343,7 @@ SELECT
   ,street
   ,zip
   ,city
+  ,account
   FROM premise_t
   WHERE id = %s
                          """, 
@@ -373,6 +382,25 @@ UPDATE premise_t
     raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
 
 
+def get_premise_by_account(user, token_info, accountId=None):
+    return dbGetMany(user, token_info, {
+            "statement": """
+SELECT 
+  id
+  ,description
+  ,street
+  ,zip
+  ,city
+  ,account
+  FROM premise_t
+  WHERE account = %s
+  ORDER BY
+    description
+                         """, 
+            "params": (accountId, )
+        }
+    )
+
 def get_flats(user, token_info):
     return dbGetMany(user, token_info, {
             "statement": """
@@ -484,6 +512,9 @@ SELECT
   ,flat_no
   FROM flat_t
   WHERE premise = %s
+  ORDER BY
+    premise
+    ,description
                          """, 
             "params": (premiseId, )
         }
@@ -651,6 +682,9 @@ SELECT
   ,flat
   FROM overhead_advance_flat_mapping_t
   WHERE overhead_advance = %s
+  ORDER BY
+    overhead_advance
+    ,flat
                          """, 
             "params": (overhead_advanceId, )
         }
@@ -665,6 +699,9 @@ SELECT
   ,flat
   FROM overhead_advance_flat_mapping_t
   WHERE flat = %s
+  ORDER BY
+    overhead_advance
+    ,flat
                          """, 
             "params": (flatId, )
         }
@@ -761,6 +798,9 @@ SELECT
   ,premise
   FROM parking_t
   WHERE premise = %s
+  ORDER BY
+    premise
+    ,description
                          """, 
             "params": (premiseId, )
         }
@@ -857,6 +897,9 @@ SELECT
   ,premise
   FROM commercial_premise_t
   WHERE premise = %s
+  ORDER BY
+    premise
+    ,description
                          """, 
             "params": (premiseId, )
         }
@@ -988,6 +1031,9 @@ SELECT
   ,enddate
   FROM tenancy_t
   WHERE tenant = %s
+  ORDER BY
+    description
+    ,startdate
                          """, 
             "params": (tenantId, )
         }
@@ -1007,6 +1053,9 @@ SELECT
   ,enddate
   FROM tenancy_t
   WHERE flat = %s
+  ORDER BY
+    description
+    ,startdate
                          """, 
             "params": (flatId, )
         }
@@ -1026,6 +1075,9 @@ SELECT
   ,enddate
   FROM tenancy_t
   WHERE parking = %s
+  ORDER BY
+    description
+    ,startdate
                          """, 
             "params": (parkingId, )
         }
@@ -1045,6 +1097,9 @@ SELECT
   ,enddate
   FROM tenancy_t
   WHERE commercial_premise = %s
+  ORDER BY
+    description
+    ,startdate
                          """, 
             "params": (commercial_premiseId, )
         }
@@ -1300,11 +1355,13 @@ SELECT
   ,description
   ,account
   ,created_at
+  ,due_at
   ,amount
+  ,document_no
   ,account_entry_category
   FROM account_entry_t
   ORDER BY
-    amount
+    created_at
                          """, 
             "params": ()
         }
@@ -1316,7 +1373,9 @@ def insert_account_entry(user, token_info, **args):
     v_description = body["description"]
     v_account = body["account"]
     v_created_at = body["created_at"]
+    v_due_at = body["due_at"]
     v_amount = body["amount"]
+    v_document_no = body["document_no"]
     v_account_entry_category = body["account_entry_category"]
     return dbInsert(user, token_info, {
       "statement": """
@@ -1325,7 +1384,9 @@ INSERT INTO account_entry_t
     description
     ,account
     ,created_at
+    ,due_at
     ,amount
+    ,document_no
     ,account_entry_category
   ) VALUES (
     %s
@@ -1333,6 +1394,8 @@ INSERT INTO account_entry_t
     ,%s
     ,%s
     ,%s
+    ,%s
+    ,%s
   )
   RETURNING *
 """,
@@ -1340,7 +1403,9 @@ INSERT INTO account_entry_t
     v_description
     ,v_account
     ,v_created_at
+    ,v_due_at
     ,v_amount
+    ,v_document_no
     ,v_account_entry_category
       ]      
     })
@@ -1357,7 +1422,9 @@ SELECT
   ,description
   ,account
   ,created_at
+  ,due_at
   ,amount
+  ,document_no
   ,account_entry_category
   FROM account_entry_t
   WHERE id = %s
@@ -1376,10 +1443,14 @@ SELECT
   ,description
   ,account
   ,created_at
+  ,due_at
   ,amount
+  ,document_no
   ,account_entry_category
   FROM account_entry_t
   WHERE account = %s
+  ORDER BY
+    created_at
                          """, 
             "params": (accountId, )
         }
@@ -1393,10 +1464,14 @@ SELECT
   ,description
   ,account
   ,created_at
+  ,due_at
   ,amount
+  ,document_no
   ,account_entry_category
   FROM account_entry_t
   WHERE account_entry_category = %s
+  ORDER BY
+    created_at
                          """, 
             "params": (account_entry_categoryId, )
         }
@@ -1411,6 +1486,8 @@ SELECT
   ,tenant
   ,note
   FROM note_t
+  ORDER BY
+    created_at
                          """, 
             "params": ()
         }
@@ -1474,6 +1551,8 @@ SELECT
   ,note
   FROM note_t
   WHERE tenant = %s
+  ORDER BY
+    created_at
                          """, 
             "params": (tenantId, )
         }

api/methods.py.tmpl

@@ -129,6 +129,14 @@ SELECT
 #end for
   FROM ${table.name}_t
   WHERE ${column.name} = %s
+#if $table.selectors
+  ORDER BY
+#set $sep = ""  
+#for $selector in $table.selectors
+    $sep$selector
+#set $sep = ","    
+#end for
+#end if  
                          """, 
             "params": (${column.name}Id, )
         }

api/openapi.yaml

@@ -299,6 +299,28 @@ paths:
                   $ref: '#/components/schemas/premise'
       security:
       - jwt: ['secret']
+  /v1/premises/account/{accountId}:
+    get:
+      tags: [ "premise", "account" ]
+      summary: Return premise by $account
+      operationId: methods.get_premise_by_account
+      parameters:
+        - name: accountId
+          in: path
+          required: true
+          schema:
+            type: integer
+      responses:
+        '200':
+          description: premise response
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/premise'
+      security:
+      - jwt: ['secret']
   /v1/flats:
     get:
       tags: [ "flat" ]
@@ -1509,6 +1531,45 @@ paths:
                   $ref: '#/components/schemas/tenant_with_saldo'
       security:
       - jwt: ['secret']
+  /v1/accounts/bydescription/{description}:
+    get:
+      tags: [ "account" ]
+      summary: Return the normalized account with given description
+      operationId: additional_methods.get_account_by_description
+      parameters:
+        - name: description
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: account response
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/account'
+      security:
+      - jwt: ['secret']
+  /v1/uniquenumber:
+    get:
+      tags: [ "uniquenumber" ]
+      summary: Returns a unique number
+      operationId: additional_methods.get_unique_number
+      responses:
+        '200':
+          description: get_unique_number
+          content:
+            'application/json':
+              schema:
+                type: object
+                properties:
+                  number:
+                    type: number
+      security:
+      - jwt: ['secret']
 
 
 components:
@@ -1583,6 +1644,8 @@ components:
           type: string
         city:
           type: string
+        account:
+          type: integer
     flat:
       description: flat
       type: object
@@ -1727,8 +1790,14 @@ components:
           type: integer
         created_at:
           type: string
+        due_at:
+          type: string
+          nullable: true
         amount:
           type: number
+        document_no:
+          type: integer
+          nullable: true
         account_entry_category:
           type: integer
     note:

cli/MonthlyPaymentRequests.py

@@ -1,10 +1,13 @@
 from db import dbGetMany, dbGetOne
 from loguru import logger
 from decimal import Decimal
-
+import datetime
 
 def perform(dbh, params):
-    createdAt = params['created_at']
+    try:
+        createdAt = params['created_at']
+    except KeyError:
+        createdAt = datetime.datetime.today().strftime("%Y-%m-%d")
 
     tenants = dbGetMany(dbh, { "statement": "SELECT * FROM tenant_t", "params": () })
     for tenant in tenants:

cli/OverheadAccounts.py

@@ -0,0 +1,102 @@
+from db import dbGetMany
+import datetime
+from loguru import logger
+
+def perform(dbh, params):
+    try:
+        year = params['year']
+    except KeyError:
+        year = datetime.datetime.today().year
+    startDate = datetime.datetime(year, 1, 1, 0, 0, 0)
+    endDate = datetime.datetime(year, 12, 31, 23, 59, 59)
+    premises = (1, 2)
+
+
+    # get flat tenants by object and timespan with paid overhead and due overhead
+    tenants = dbGetMany(
+        dbh,
+        {
+            "statement":
+            """
+                select t.id as tenant_id,
+                    t.firstname as tenant_firstname,
+                    t.lastname as tenant_lastname,
+                    f.id as flat_id,
+                    f.description as flat,
+                    p.id as house_id,
+                    p.description as house,
+                    ty.startdate as startdate,
+                    ty.enddate as enddate
+                from tenant_t t,
+                    premise_t p,
+                    flat_t f,
+                    tenancy_t ty
+                where ty.tenant = t.id and
+                    ty.flat = f.id and
+                    ty.startdate >= %(startDate)s and
+                    (ty.enddate <= %(endDate)s or ty.enddate is null) and
+                    f.premise = p.id and
+                    p.id in %(premises)s
+                order by house_id, tenant_id
+            """,
+           "params": {
+               "startDate": startDate, 
+               "endDate": endDate,
+               "premises": premises
+           }
+        }
+    )
+    logger.info(f"{tenants=}")
+
+
+    # get overhead sums by object, category and timespan
+    overheadSums = dbGetMany(
+        dbh,
+        {
+            "statement": 
+            """
+                select sum(ae.amount) as sum, 
+                    aec.description as category, 
+                    p.id as house_id,
+                    p.description as house
+                from account_t a,
+                    premise_t p,
+                    account_entry_t ae,
+                    account_entry_category_t aec
+                where p.account = a.id and
+                    ae.account = a.id and
+                    aec.overhead_relevant = 't' and
+                    ae.account_entry_category = aec.id and
+                    created_at between %(startDate)s and %(endDate)s and
+                    p.id in %(premises)s
+                group by house_id, house, category
+                union
+                select 0 as sum,
+                    aec.description as category, 
+                    p.id as house_id,
+                    p.description as house
+                from account_t a,
+                    premise_t p,
+                    account_entry_t ae,
+                    account_entry_category_t aec
+                where p.account = a.id and
+                    ae.account = a.id and
+                    aec.overhead_relevant = 't' and
+                    aec.id not in (select distinct account_entry_category from account_entry_t) and
+                    created_at between %(startDate)s and %(endDate)s and
+                    p.id in %(premises)s
+                group by house_id, house, category
+                order by house_id, category
+            """,
+            "params": {
+               "startDate": startDate, 
+               "endDate": endDate,
+               "premises": premises
+            }
+        } 
+    )
+    logger.info(f"{overheadSums=}")
+
+
+
+

cli/db.py

@@ -12,7 +12,7 @@ def execDatabaseOperation(dbh, func, params):
     cur = None
     try:
         with dbh.cursor(cursor_factory = psycopg2.extras.RealDictCursor) as cur:
-            params["params"] = [ v if not v=='' else None for v in params["params"] ]
+            # params["params"] = [ v if not v=='' else None for v in params["params"] ]
             logger.debug("edo: {}".format(str(params)))
             return func(cur, params)
     except psycopg2.Error as err:
@@ -21,6 +21,7 @@ def execDatabaseOperation(dbh, func, params):
 
 
 def _opGetMany(cursor, params):
+    logger.warning(f"{params=}")
     items = []
     cursor.execute(params["statement"], params["params"])
     for itemObj in cursor:

cli/fixDueDate.py

@@ -0,0 +1,38 @@
+from loguru import logger
+from db import dbGetMany, dbGetOne
+
+def perform(dbh, params):
+    accountEntries = dbGetMany(
+        dbh,
+        {
+            "statement":
+            """
+                select id, due_at from account_entry_t where due_at is not null
+            """,
+            "params": {}
+        }
+    )
+
+    for accountEntry in accountEntries:
+        id = accountEntry['id']
+        oldDueAt = accountEntry['due_at']
+        newDueAt = oldDueAt.replace(day=1)
+        logger.info(f"id: {id}, due_at: {oldDueAt} -> {newDueAt}")
+
+        fixedEntry = dbGetOne(
+            dbh,
+            {
+                "statement":
+                """
+                    UPDATE account_entry_t
+                    SET due_at = %(dueAt)s
+                    WHERE id = %(id)s
+                    RETURNING *
+                """,
+                "params": {
+                    "id": id,
+                    "dueAt": newDueAt
+                }
+            }
+        )
+        logger.info("fixed")

cli/hv2cli.py

@@ -8,6 +8,36 @@ import argparse
 import importlib
 import sys
 
+
+parser = argparse.ArgumentParser(description="hv2cli.py")
+parser.add_argument('--config', '-c',
+                    help="Config file, default is ./config/dbconfig.ini",
+                    required=False,
+                    default="./config/dbconfig.ini")
+parser.add_argument('--operation', '-o',
+                    help='Operation to perform.',
+                    required=True)
+parser.add_argument('--params', '-p',
+                    help='JSON string with parameter for the selected operation, default: {}',                    
+                    required=False,
+                    default="{}")
+parser.add_argument('--verbosity', '-v',
+                    help='Minimal log level for output: DEBUG, INFO, WARNING, ..., default: DEBUG',
+                    required=False,
+                    default="DEBUG")                    
+parser.add_argument('--nocolorize', '-n',
+                    help='disable colored output (for cron)',
+                    required=False,
+                    action='store_true',
+                    default=False)
+
+
+args = parser.parse_args()
+operation = args.operation
+params = json.loads(args.params)
+logLevel = args.verbosity
+noColorize = args.nocolorize
+
 DB_USER = ""
 DB_PASS = ""
 DB_HOST = ""
@@ -19,33 +49,15 @@ try:
     DB_NAME = os.environ["DB_NAME"]
 except KeyError:
     config = configparser.ConfigParser()
-    config.read('./config/dbconfig.ini')
+    config.read(args.config)
     DB_USER = config["database"]["user"]
     DB_PASS = config["database"]["pass"]
     DB_HOST = config["database"]["host"]
     DB_NAME = config["database"]["name"]
 
 
-parser = argparse.ArgumentParser(description="hv2cli.py")
-parser.add_argument('--operation', '-o',
-                    help='Operation to perform.',
-                    required=True)
-parser.add_argument('--params', '-p',
-                    help='JSON string with parameter for the selected operation, default: {}',                    
-                    required=False,
-                    default="{}")
-parser.add_argument('--verbosity', '-v',
-                    help='Minimal log level for output: DEBUG, INFO, WARNING, ..., default: DEBUG',
-                    required=False,
-                    default="DEBUG")                    
-args = parser.parse_args()
-operation = args.operation
-params = json.loads(args.params)
-logLevel = args.verbosity
-
-
 logger.remove()
-logger.add(sys.stderr, colorize=True, level=logLevel)
+logger.add(sys.stderr, colorize=(not noColorize), level=logLevel)
 
 
 dbh = None

schema.json

@@ -32,7 +32,8 @@
                 { "name": "description", "sqltype": "varchar(128)", "selector": 0, "unique": true },
                 { "name": "street", "sqltype": "varchar(128)", "notnull": true },
                 { "name": "zip", "sqltype": "varchar(10)", "notnull": true },
-                { "name": "city", "sqltype": "varchar(128)", "notnull": true }
+                { "name": "city", "sqltype": "varchar(128)", "notnull": true },
+                { "name": "account", "sqltype": "integer", "notnull": true, "foreignkey": true, "immutable": true, "unique": true }
             ]
         },
         {
@@ -135,8 +136,10 @@
             "columns": [
                 { "name": "description", "sqltype": "varchar(1024)", "notnull": true },
                 { "name": "account", "sqltype": "integer", "notnull": true, "foreignkey": true },
-                { "name": "created_at", "sqltype": "timestamp", "notnull": true, "default": "now()" },
-                { "name": "amount", "sqltype": "numeric(10,2)", "notnull": true, "selector": 0 },
+                { "name": "created_at", "sqltype": "timestamp", "notnull": true, "default": "now()", "selector": 0 },
+                { "name": "due_at", "sqltype": "timestamp", "notnull": false },
+                { "name": "amount", "sqltype": "numeric(10,2)", "notnull": true },
+                { "name": "document_no", "sqltype": "integer", "unique": true },
                 { "name": "account_entry_category", "sqltype": "integer", "notnull": true, "foreignkey": true }
             ],
             "tableConstraints": [ 
@@ -147,7 +150,7 @@
             "name": "note",
             "immutable": true,
             "columns": [
-                { "name": "created_at", "sqltype": "timestamp", "notnull": true, "default": "now()" },
+                { "name": "created_at", "sqltype": "timestamp", "notnull": true, "default": "now()", "selector": 0 },
                 { "name": "tenant", "sqltype": "integer", "notnull": true, "foreignkey": true },
                 { "name": "note", "sqltype": "varchar(4096)", "notnull": true }
             ]

schema/changes01.sql

@@ -0,0 +1,6 @@
+alter table premise_t add column account integer;
+alter table premise_t add constraint fk_premise_t_account foreign key (account) references account_t(id);
+alter table premise_t add constraint uk_premise_t_account unique(account);
+alter table account_entry_t add column document_no integer unique;
+create sequence unique_number_s start with 1 increment by 1;
+

schema/create.sql

@@ -39,6 +39,7 @@ CREATE TABLE premise_t (
   ,street varchar(128)     not null 
   ,zip varchar(10)     not null 
   ,city varchar(128)     not null 
+  ,account integer     not null   references account_t (id)     unique 
 );
 
 GRANT SELECT, INSERT, UPDATE ON premise_t TO hv2;
@@ -145,10 +146,12 @@ GRANT SELECT, UPDATE ON account_entry_category_t_id_seq TO hv2;
 
 CREATE TABLE account_entry_t (
   id serial not null primary key
-  ,description varchar(128)     not null 
+  ,description varchar(1024)     not null 
   ,account integer     not null   references account_t (id) 
   ,created_at timestamp     not null   default now() 
+  ,due_at timestamp 
   ,amount numeric(10,2)     not null 
+  ,document_no integer     unique 
   ,account_entry_category integer     not null   references account_entry_category_t (id) 
   ,unique(description, account, created_at)
 );

ui/hv2-ui/src/app/account/account.component.html

@@ -1,24 +1,30 @@
 <div id="firstBlock">
-<form (ngSubmit)="addAccountEntry()">
+<form (ngSubmit)="addAccountEntry(accountEntryForm)" #accountEntryForm="ngForm">
 <mat-form-field appearance="outline" id="addEntryfield">
     <mat-label>Datum</mat-label>
-    <input matInput name="createdAt" [(ngModel)]="newAccountEntry.created_at" [matDatepicker]="createdAtPicker"/>
+    <input matInput ngModel name="createdAt" [matDatepicker]="createdAtPicker"/>
     <mat-datepicker-toggle matSuffix [for]="createdAtPicker"></mat-datepicker-toggle>
     <mat-datepicker #createdAtPicker></mat-datepicker>
 </mat-form-field>
-<mat-form-field appearance="outline">
+<mat-form-field appearance="outline" id="addEntryfield">
+    <mat-label>Fälligkeit</mat-label>
+    <input matInput ngModel name="dueAt" [matDatepicker]="dueAtPicker"/>
+    <mat-datepicker-toggle matSuffix [for]="dueAtPicker"></mat-datepicker-toggle>
+    <mat-datepicker #dueAtPicker></mat-datepicker>
+</mat-form-field>
+<mat-form-field appearance="outline" *ngIf="!shallBeRentPayment">
     <mat-label>Kategorie</mat-label>
-    <mat-select [(ngModel)]="newAccountEntry.account_entry_category" name="category" disabled="shallBeRentPayment">
+    <mat-select ngModel name="category" [disabled]="shallBeRentPayment">
         <mat-option *ngFor="let p of accountEntryCategories" [value]="p.id">{{p.description}}</mat-option>
     </mat-select>
 </mat-form-field>
 <mat-form-field appearance="outline">
     <mat-label>Betrag (€)</mat-label>
-    <input matInput type="number" name="amount" [(ngModel)]="newAccountEntry.amount"/>
+    <input matInput type="number" name="amount" ngModel/>
 </mat-form-field>
-<mat-form-field appearance="outline">
+<mat-form-field appearance="outline" *ngIf="!shallBeRentPayment">
     <mat-label>Beschreibung</mat-label>
-    <input matInput name="description" [(ngModel)]="newAccountEntry.description"/>
+    <input matInput name="description" [disabled]="shallBeRentPayment" ngModel/>
 </mat-form-field>
 <button #addAccountEntryButton type="submit" mat-raised-button color="primary">Buchung speichern</button>
 </form>
@@ -32,10 +38,18 @@ Saldo: {{saldo?.saldo | number:'1.2-2'}} €
     <th mat-header-cell *matHeaderCellDef>Datum</th>
     <td mat-cell *matCellDef="let element">{{element.rawAccountEntry.created_at | date}}</td>
 </ng-container>
+<ng-container matColumnDef="dueAt">
+    <th mat-header-cell *matHeaderCellDef>Fälligkeit</th>
+    <td mat-cell *matCellDef="let element">{{element.rawAccountEntry.due_at | date}}</td>
+</ng-container>
 <ng-container matColumnDef="description">
     <th mat-header-cell *matHeaderCellDef>Beschreibung</th>
     <td mat-cell *matCellDef="let element">{{element.rawAccountEntry.description}}</td>
 </ng-container>
+<ng-container matColumnDef="document_no">
+    <th mat-header-cell *matHeaderCellDef>Belegnummer</th>
+    <td mat-cell *matCellDef="let element">{{element.rawAccountEntry.document_no}}</td>
+</ng-container>
 <ng-container matColumnDef="amount">
     <th mat-header-cell *matHeaderCellDef>Betrag</th>
     <td mat-cell *matCellDef="let element" class="rightaligned">{{element.rawAccountEntry.amount | number:'1.2-2'}} €</td>

ui/hv2-ui/src/app/account/account.component.ts

@@ -5,8 +5,9 @@ import { MatExpansionPanel } from '@angular/material/expansion';
 import { MatTableDataSource } from '@angular/material/table';
 import { AccountEntryCategoryService, AccountEntryService, AccountService } from '../data-object-service';
 import { Account, AccountEntry, AccountEntryCategory, NULL_AccountEntry } from '../data-objects';
+import { ErrorDialogService } from '../error-dialog.service';
 import { ExtApiService } from '../ext-data-object-service';
-import { Saldo } from '../ext-data-objects';
+import { Saldo, UniqueNumber } from '../ext-data-objects';
 import { MessageService } from '../message.service';
 
 
@@ -32,14 +33,13 @@ export class AccountComponent implements OnInit {
   account: Account
   accountEntries: DN_AccountEntry[]
   accountEntriesDataSource: MatTableDataSource<DN_AccountEntry>
-  accountEntriesDisplayedColumns: string[] = [ "description", "amount", "createdAt", "category", "overhead_relevant" ]
+  accountEntriesDisplayedColumns: string[] = [ "description", "document_no", "amount", "createdAt", "dueAt", "category", "overhead_relevant" ]
   saldo: Saldo
 
   accountEntryCategories: AccountEntryCategory[]
   accountEntryCategoriesMap: Map<number, AccountEntryCategory>
   accountEntryCategoriesInverseMap: Map<string, AccountEntryCategory>
 
-  newAccountEntry: AccountEntry = NULL_AccountEntry
 
 
   constructor(
@@ -47,7 +47,8 @@ export class AccountComponent implements OnInit {
     private accountEntryService: AccountEntryService,
     private extApiService: ExtApiService,
     private accountEntryCategoryService: AccountEntryCategoryService,
-    private messageService: MessageService
+    private messageService: MessageService,
+    private errorDialogService: ErrorDialogService
   ) { }
 
 
@@ -87,20 +88,44 @@ export class AccountComponent implements OnInit {
     }
   }
 
-  async addAccountEntry(): Promise<void> {
-      try {
-        this.addAccountEntryButton.disabled = true
-        this.newAccountEntry.account = this.account.id
-        this.messageService.add(`addAccountEntry: ${ JSON.stringify(this.newAccountEntry, undefined, 4) }`)
-        this.newAccountEntry = await this.accountEntryService.postAccountEntry(this.newAccountEntry)
-        this.messageService.add(`New accountEntry created: ${this.newAccountEntry.id}`)
-        this.newAccountEntry = { 'account': this.account.id, 'amount': undefined, 'created_at': '', 'description': '', 'id': 0, 'account_entry_category': 0 }
-        this.getAccountEntries()
-      } catch (err) {
-        this.messageService.add(`Error in addAccountEntry: ${JSON.stringify(err, undefined, 4)}`)
-        } finally {
-        this.addAccountEntryButton.disabled = false
+  async addAccountEntry(formData: any): Promise<void> {
+    try {
+      this.addAccountEntryButton.disabled = true
+      this.messageService.add(`${JSON.stringify(formData.value, undefined, 4)}`)
+      let uniquenumber: UniqueNumber = await this.extApiService.getUniqueNumber();
+      this.messageService.add(`Got unique number as document_no: ${uniquenumber.number}`)
+      let newAccountEntry: AccountEntry = {
+        description: formData.value.description,
+        account: this.account.id,
+        created_at: formData.value.createdAt,
+        due_at: formData.value.dueAt,
+        amount: formData.value.amount,
+        id: 0,
+        document_no: uniquenumber.number,
+        account_entry_category: 0
       }
+
+      if (this.shallBeRentPayment) {
+        newAccountEntry.account_entry_category = this.accountEntryCategoriesInverseMap.get('Mietzahlung').id
+        newAccountEntry.description = "Miete"
+        this.messageService.add(`shall be rentpayment, category is ${newAccountEntry.account_entry_category}`)
+      } else {
+        newAccountEntry.account_entry_category = formData.value.category
+        this.messageService.add(`category is ${newAccountEntry.account_entry_category}`)
+      }
+
+      this.messageService.add(`addAccountEntry: ${ JSON.stringify(newAccountEntry, undefined, 4) }`)
+      newAccountEntry = await this.accountEntryService.postAccountEntry(newAccountEntry)
+      this.messageService.add(`New accountEntry created: ${newAccountEntry.id}`)
+
+      formData.reset()
+      this.getAccountEntries()
+    } catch (err) {
+      this.messageService.add(`Error in addAccountEntry: ${JSON.stringify(err, undefined, 4)}`)
+      this.errorDialogService.openDialog('AccountComponent', 'addAccountEntry', JSON.stringify(err, undefined, 4))
+    } finally {
+      this.addAccountEntryButton.disabled = false
+    }
   }
 
   async getAccountEntryCategories(): Promise<void> {
@@ -123,10 +148,6 @@ export class AccountComponent implements OnInit {
     this.messageService.add(`AccountComponent.init, account: ${this.selectedAccountId}`)
     this.getAccount()
     await this.getAccountEntryCategories()
-    if (this.shallBeRentPayment) {
-      this.messageService.add('shall be rentpayment')
-      this.newAccountEntry.account_entry_category = this.accountEntryCategoriesInverseMap.get('Mietzahlung').id
-    }
   }
 
   ngOnInit(): void {
@@ -137,4 +158,5 @@ export class AccountComponent implements OnInit {
     this.init()
   }
 
+
 }

ui/hv2-ui/src/app/app-routing.module.ts

@@ -19,6 +19,7 @@ import { FeeListComponent } from './fee-list/fee-list.component';
 import { FeeDetailsComponent } from './fee-details/fee-details.component';
 import { EnterPaymentComponent } from './enter-payment/enter-payment.component';
 import { HomeComponent } from './home/home.component';
+import { LedgerComponent } from './ledger/ledger.component';
 
 
 const routes: Routes = [
@@ -44,6 +45,7 @@ const routes: Routes = [
   { path: 'fee/:id', component: FeeDetailsComponent, canActivate: [ AuthGuardService ] },
   { path: 'fee', component: FeeDetailsComponent, canActivate: [ AuthGuardService ] },
   { path: 'enterPayment', component: EnterPaymentComponent, canActivate: [ AuthGuardService ] },
+  { path: 'ledger', component: LedgerComponent, canActivate: [ AuthGuardService ] },
   { path: 'home', component: HomeComponent },
   { path: 'logout', component: LogoutComponent },
   { path: 'login', component: LoginComponent },

ui/hv2-ui/src/app/app.module.ts

@@ -47,7 +47,9 @@ import { AccountComponent } from './account/account.component';
 import { NoteComponent } from './note/note.component'
 import { MatMomentDateModule, MAT_MOMENT_DATE_ADAPTER_OPTIONS } from '@angular/material-moment-adapter';
 import { EnterPaymentComponent } from './enter-payment/enter-payment.component';
-import { HomeComponent } from './home/home.component'
+import { HomeComponent } from './home/home.component';
+import { LedgerComponent } from './ledger/ledger.component';
+import { ErrorDialogComponent } from './error-dialog/error-dialog.component'
 
 registerLocaleData(localeDe)
 
@@ -76,7 +78,9 @@ registerLocaleData(localeDe)
     AccountComponent,
     NoteComponent,
     EnterPaymentComponent,
-    HomeComponent
+    HomeComponent,
+    LedgerComponent,
+    ErrorDialogComponent
   ],
   imports: [
     BrowserModule,

ui/hv2-ui/src/app/data-object-service.ts

@@ -130,6 +130,11 @@ export class PremiseService {
   }
 
 
+  async getPremisesByAccount(id: number): Promise<Premise[]> {
+    this.messageService.add(`PremiseService: get data by Account ${id}`);
+    return this.http.get<Premise[]>(`${serviceBaseUrl}/v1/premises/account/${id}`).toPromise()
+  }
+
 
 }
 

ui/hv2-ui/src/app/data-objects.ts

@@ -52,6 +52,7 @@ export interface Premise {
     street: string
     zip: string
     city: string
+    account: number
 }
 export const NULL_Premise: Premise = {
     id: 0
@@ -59,6 +60,7 @@ export const NULL_Premise: Premise = {
     ,street:   ''
     ,zip:   ''
     ,city:   ''
+    ,account:   undefined
 }
 
 export interface Flat {
@@ -189,7 +191,9 @@ export interface AccountEntry {
     description: string
     account: number
     created_at: string
+    due_at: string
     amount: number
+    document_no: number
     account_entry_category: number
 }
 export const NULL_AccountEntry: AccountEntry = {
@@ -197,7 +201,9 @@ export const NULL_AccountEntry: AccountEntry = {
     ,description:   ''
     ,account:   undefined
     ,created_at:   ''
+    ,due_at:   ''
     ,amount:   undefined
+    ,document_no:   undefined
     ,account_entry_category:   undefined
 }
 

ui/hv2-ui/src/app/error-dialog-data.ts

@@ -0,0 +1,6 @@
+
+export interface ErrorDialogData {
+    module: string,
+    func: string,
+    msg: string
+}

ui/hv2-ui/src/app/error-dialog.service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { ErrorDialogService } from './error-dialog.service';
+
+describe('ErrorDialogService', () => {
+  let service: ErrorDialogService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(ErrorDialogService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

ui/hv2-ui/src/app/error-dialog.service.ts

@@ -0,0 +1,18 @@
+import { Injectable } from '@angular/core';
+import { MatDialog } from '@angular/material/dialog';
+import { ErrorDialogComponent } from './error-dialog/error-dialog.component';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ErrorDialogService {
+
+  constructor(public dialog: MatDialog) { }
+
+  openDialog(module: string, func: string, msg: string): void {
+    const dialogRef = this.dialog.open(ErrorDialogComponent, {
+      width: '450px',
+      data: { module: module, func: func, msg: msg }
+    })
+  }
+}

ui/hv2-ui/src/app/error-dialog/error-dialog.component.html

@@ -0,0 +1,11 @@
+<h1>Fehler</h1>
+
+<h2>Module</h2>
+<p>{{data.module}}</p>
+
+<h2>Function</h2>
+<p>{{data.func}}</p>
+    
+<h2>Message</h2>
+<p>{{data.msg}}</p>
+    

ui/hv2-ui/src/app/error-dialog/error-dialog.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ErrorDialogComponent } from './error-dialog.component';
+
+describe('ErrorDialogComponent', () => {
+  let component: ErrorDialogComponent;
+  let fixture: ComponentFixture<ErrorDialogComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ ErrorDialogComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ErrorDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

ui/hv2-ui/src/app/error-dialog/error-dialog.component.ts

@@ -0,0 +1,24 @@
+import { Component, Inject, OnInit } from '@angular/core';
+import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
+import { ErrorDialogData } from '../error-dialog-data';
+
+@Component({
+  selector: 'app-error-dialog',
+  templateUrl: './error-dialog.component.html',
+  styleUrls: ['./error-dialog.component.css']
+})
+export class ErrorDialogComponent implements OnInit {
+
+  constructor(
+    public dialogRef: MatDialogRef<ErrorDialogComponent>,
+    @Inject(MAT_DIALOG_DATA) public data: ErrorDialogData
+  ) { }
+
+  onNoClick(): void {
+    this.dialogRef.close()
+  }
+
+  ngOnInit(): void {
+  }
+
+}

ui/hv2-ui/src/app/ext-data-object-service.ts

@@ -6,8 +6,8 @@ import { MessageService } from './message.service';
 import { serviceBaseUrl } from './config';
 
 
-import { Fee, OverheadAdvance } from './data-objects';
-import { Saldo, Tenant_with_Saldo } from './ext-data-objects';
+import { Account, Fee, OverheadAdvance } from './data-objects';
+import { Saldo, Tenant_with_Saldo, UniqueNumber } from './ext-data-objects';
 
 
 @Injectable({ providedIn: 'root' })
@@ -19,6 +19,11 @@ export class ExtApiService {
     return this.http.get<OverheadAdvance[]>(`${serviceBaseUrl}/v1/overhead_advances/flat/${id}`).toPromise()
   }
   
+  async getAccountByDescription(description: string): Promise<Account> {
+    this.messageService.add(`ExtApiService: get account by description ${description}`);
+    return this.http.get<Account>(`${serviceBaseUrl}/v1/accounts/bydescription/${description}`).toPromise()
+  }
+
   async getFeeByTenancies(id: number): Promise<Fee[]> {
     this.messageService.add(`ExtApiService: get fees by flat ${id}`);
     return this.http.get<Fee[]>(`${serviceBaseUrl}/v1/fees/tenancy/${id}`).toPromise()
@@ -33,4 +38,9 @@ export class ExtApiService {
     this.messageService.add("ExtApiService: get tenants with saldo");
     return this.http.get<Tenant_with_Saldo[]>(`${serviceBaseUrl}/v1/tenants/saldo`).toPromise()
   }
+
+  async getUniqueNumber(): Promise<UniqueNumber> {
+    this.messageService.add("ExtApiService: get unique number");
+    return this.http.get<UniqueNumber>(`${serviceBaseUrl}/v1/uniquenumber`).toPromise()
+  }
 }

ui/hv2-ui/src/app/ext-data-objects.ts

@@ -9,4 +9,8 @@ export interface Tenant_with_Saldo {
     lastname: string
     address1: string
     saldo: number
+}
+
+export interface UniqueNumber {
+    number: number
 }

ui/hv2-ui/src/app/ledger/ledger.component.html

@@ -0,0 +1,34 @@
+<mat-card class="defaultCard">
+    <mat-card-header>
+        <mat-card-title>
+            Buchführung
+        </mat-card-title>
+    </mat-card-header>
+    <mat-card-content>
+        <mat-accordion>
+            <mat-expansion-panel (opened)="collapseExpenseDetails = true"
+                                 (closed)="collapseExpenseDetails = false">
+                <mat-expansion-panel-header>
+                    <mat-panel-title>
+                        Ausgaben
+                    </mat-panel-title>
+                    <mat-panel-description>
+                        <div>Betriebskosten-relevante Ausgaben nicht hier sondern im Betriebskostenkonto unter "Meine Häuser" erfassen.</div>
+                    </mat-panel-description>
+                </mat-expansion-panel-header>
+                <app-account #expenseAccountComponent [selectedAccountId]="expenseAccountId" [shallBeRentPayment]="false"></app-account>
+            </mat-expansion-panel>
+            <mat-expansion-panel (opened)="collapseIncomeDetails = true"
+                                 (closed)="collapseIncomeDetails = false">
+                <mat-expansion-panel-header>
+                    <mat-panel-title>
+                        Einnahmen
+                    </mat-panel-title>
+                    <mat-panel-description>
+                    </mat-panel-description>
+                </mat-expansion-panel-header>
+                <app-account #incomeAccountComponent [selectedAccountId]="incomeAccountId" [shallBeRentPayment]="false"></app-account>
+            </mat-expansion-panel>
+        </mat-accordion>
+    </mat-card-content>
+</mat-card>

ui/hv2-ui/src/app/ledger/ledger.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { LedgerComponent } from './ledger.component';
+
+describe('LedgerComponent', () => {
+  let component: LedgerComponent;
+  let fixture: ComponentFixture<LedgerComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ LedgerComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LedgerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

ui/hv2-ui/src/app/ledger/ledger.component.ts

@@ -0,0 +1,48 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { AccountComponent } from '../account/account.component';
+import { Account } from '../data-objects';
+import { ExtApiService } from '../ext-data-object-service';
+import { MessageService } from '../message.service';
+
+@Component({
+  selector: 'app-ledger',
+  templateUrl: './ledger.component.html',
+  styleUrls: ['./ledger.component.css']
+})
+export class LedgerComponent implements OnInit {
+
+  incomeAccount: Account
+  incomeAccountId: number
+  expenseAccount: Account
+  expenseAccountId: number
+
+  collapseIncomeDetails: boolean = false
+  collapseExpenseDetails: boolean = false
+
+  @ViewChild('incomeAccountComponent') incomeAccountComponent: AccountComponent
+  @ViewChild('expenseAccountComponent') expenseAccountComponent: AccountComponent
+  
+
+  constructor(
+    private extApiService: ExtApiService,
+    private messageService: MessageService
+  ) { }
+
+  async getAccount(): Promise<void> {
+    try {
+      this.messageService.add("Trying to load ledger account")
+      this.incomeAccount = await this.extApiService.getAccountByDescription('LedgerIncome')
+      this.expenseAccount = await this.extApiService.getAccountByDescription('LedgerExpense')
+      this.messageService.add("Account loaded")
+    } catch (err) {
+      this.messageService.add(JSON.stringify(err, undefined, 4))
+    }
+  }
+
+  async ngOnInit(): Promise<void> {
+    await this.getAccount()
+    this.incomeAccountId = this.incomeAccount.id
+    this.expenseAccountId = this.expenseAccount.id
+  }
+
+}

ui/hv2-ui/src/app/my-premises/my-premises.component.html

@@ -26,6 +26,10 @@
                         <th mat-header-cell *matHeaderCellDef>Ort</th>
                         <td mat-cell *matCellDef="let element">{{element.city}}</td>
                     </ng-container>
+                    <ng-container matColumnDef="account">
+                        <th mat-header-cell *matHeaderCellDef>Betriebskostenkonto</th>
+                        <td mat-cell *matCellDef="let element">{{element.account}}</td>
+                    </ng-container>
                     <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
                     <tr mat-row *matRowDef="let row; columns: displayedColumns;" [routerLink]="['/premise/', row.id]"></tr>
                 </table>

ui/hv2-ui/src/app/my-premises/my-premises.component.ts

@@ -13,7 +13,8 @@ export class MyPremisesComponent implements OnInit {
 
   premises: Premise[]
   dataSource: MatTableDataSource<Premise>
-  displayedColumns: string[] = [ "description", "street", "zip", "city" ]
+  displayedColumns: string[] = [ "description", "street", "zip", "city", "account" ]
+
 
   constructor(private premiseService: PremiseService, private messageService: MessageService) { }
 

ui/hv2-ui/src/app/navigation/navigation.component.html

@@ -20,6 +20,8 @@
       <a mat-list-item href="/fees">Mietsätze</a>
     </mat-nav-list><mat-divider *ngIf="authenticated"></mat-divider><mat-nav-list *ngIf="authenticated">
       <a mat-list-item href="/premises">Meine Häuser</a>
+    </mat-nav-list><mat-divider *ngIf="authenticated"></mat-divider><mat-nav-list *ngIf="authenticated">
+      <a mat-list-item href="/ledger">Buchführung</a>
     </mat-nav-list><mat-divider *ngIf="authenticated"></mat-divider><mat-nav-list *ngIf="authenticated">
       <a mat-list-item href="/logout">Abmelden</a>
     </mat-nav-list>

ui/hv2-ui/src/app/premise-details/premise-details.component.html

@@ -9,31 +9,59 @@
             </mat-card-subtitle>
         </mat-card-header>
         <mat-card-content>
-            <div>
-                <form (ngSubmit)="savePremise()">
-                    <div>
-                        <mat-form-field appearance="outline">
-                            <mat-label>Beschreibung</mat-label>
-                            <input matInput name="description" [(ngModel)]="premise.description"/>
-                        </mat-form-field>
-                    </div><div>
-                        <mat-form-field appearance="outline">
-                            <mat-label>Strasse</mat-label>
-                            <input matInput name="street" [(ngModel)]="premise.street"/>
-                        </mat-form-field>
-                    </div><div>
-                        <mat-form-field appearance="outline">
-                            <mat-label>PLZ</mat-label>
-                            <input matInput name="zip" [(ngModel)]="premise.zip"/>
-                        </mat-form-field>
-                        <mat-form-field appearance="outline">
-                            <mat-label>Ort</mat-label>
-                            <input matInput name="city" [(ngModel)]="premise.city"/>
-                        </mat-form-field>
-                    </div>
-                    <button #submitButton type="submit" mat-raised-button color="primary">Speichern</button>
-                </form>
-            </div>
+            <mat-accordion>
+                <mat-expansion-panel (opened)="collapseDetails = true"
+                                     (closed)="collapseDetails = false"
+                                     [expanded]="premise.id == 0">
+                    <mat-expansion-panel-header>
+                        <mat-panel-title>
+                            Details
+                        </mat-panel-title>
+                        <mat-panel-description>
+                        </mat-panel-description>
+                    </mat-expansion-panel-header>
+                    <form (ngSubmit)="savePremise()">
+                        <div>
+                            <mat-form-field appearance="outline">
+                                <mat-label>Beschreibung</mat-label>
+                                <input matInput name="description" [(ngModel)]="premise.description"/>
+                            </mat-form-field>
+                        </div><div>
+                            <mat-form-field appearance="outline">
+                                <mat-label>Strasse</mat-label>
+                                <input matInput name="street" [(ngModel)]="premise.street"/>
+                            </mat-form-field>
+                        </div><div>
+                            <mat-form-field appearance="outline">
+                                <mat-label>PLZ</mat-label>
+                                <input matInput name="zip" [(ngModel)]="premise.zip"/>
+                            </mat-form-field>
+                            <mat-form-field appearance="outline">
+                                <mat-label>Ort</mat-label>
+                                <input matInput name="city" [(ngModel)]="premise.city"/>
+                            </mat-form-field>
+                        </div><div>
+                            <mat-form-field appearance="outline" *ngIf="premise.account">
+                                <mat-label>Betriebskostenkonto</mat-label>
+                                <input matInput name="account" [readonly]="true" [(ngModel)]="premise.account"/>
+                            </mat-form-field>
+                        </div>
+                        <button #submitButton type="submit" mat-raised-button color="primary">Speichern</button>
+                    </form>
+                </mat-expansion-panel>
+                <mat-expansion-panel (opened)="collapseOverheadAccount = true"
+                                     (closed)="collapseOverheadAccount = false">
+                    <mat-expansion-panel-header>
+                        <mat-panel-title>
+                            Betriebskostenkonto
+                        </mat-panel-title>
+                        <mat-panel-description>
+                        </mat-panel-description>
+                    </mat-expansion-panel-header>
+                    <app-account #incomeAccountComponent [selectedAccountId]="overheadAccountId" [shallBeRentPayment]="false"></app-account>
+                </mat-expansion-panel>
+            </mat-accordion>
+    
         </mat-card-content>
     </mat-card>
 </section>

ui/hv2-ui/src/app/premise-details/premise-details.component.ts

@@ -1,8 +1,9 @@
 import { Component, OnInit, ViewChild } from '@angular/core';
 import { MatButton } from '@angular/material/button';
+import { MatExpansionPanel } from '@angular/material/expansion';
 import { ActivatedRoute, Router } from '@angular/router';
-import { PremiseService } from '../data-object-service';
-import { Premise } from '../data-objects';
+import { AccountService, PremiseService } from '../data-object-service';
+import { Account, NULL_Premise, Premise } from '../data-objects';
 import { MessageService } from '../message.service';
 
 @Component({
@@ -12,18 +13,19 @@ import { MessageService } from '../message.service';
 })
 export class PremiseDetailsComponent implements OnInit {
 
+  collapseDetails: boolean = false
+  collapseOverheadAccount: boolean = false
+
   @ViewChild('submitButton') submitButton: MatButton
 
-  premise: Premise = {
-    id: 0,
-    description: '',
-    street: '',
-    zip: '',
-    city: ''
-  }
+  premise: Premise = NULL_Premise 
+
+  overheadAccount: Account
+  overheadAccountId: number
 
   constructor(
     private premiseService: PremiseService,
+    private accountService: AccountService,
     private messageService: MessageService,
     private route: ActivatedRoute,
     private router: Router
@@ -34,6 +36,8 @@ export class PremiseDetailsComponent implements OnInit {
       const id = +this.route.snapshot.paramMap.get('id')
       if (id != 0) {
         this.premise = await this.premiseService.getPremise(id)
+        this.overheadAccount = await this.accountService.getAccount(this.premise.account)
+        this.overheadAccountId = this.overheadAccount.id
       }
     } catch (err) {
       this.messageService.add(JSON.stringify(err, undefined, 4))
@@ -47,6 +51,12 @@ export class PremiseDetailsComponent implements OnInit {
       this.messageService.add(JSON.stringify(this.premise, undefined, 4))
       if (this.premise.id == 0) {
         this.messageService.add("about to insert new premise")
+        this.overheadAccount = {
+          "id": 0,
+          "description": `overhead_account_${this.premise.description}`
+        }
+        this.overheadAccount = await this.accountService.postAccount(this.overheadAccount)
+        this.premise.account = this.overheadAccount.id
         this.premise = await this.premiseService.postPremise(this.premise)
         this.messageService.add(`Successfully added premises with id ${this.premise.id}`)
       } else {

ui/hv2-ui/src/app/tenant-details/tenant-details.component.html

@@ -8,7 +8,8 @@
         <mat-card-content>
             <mat-accordion>
                 <mat-expansion-panel (opened)="collapseTenantDetails = true"
-                                    (closed)="collapseTenantDetails = false">
+                                    (closed)="collapseTenantDetails = false"
+                                    [expanded]="tenant.id == 0">
                     <mat-expansion-panel-header>
                         <mat-panel-title *ngIf="!collapseTenantDetails">
                             Details
@@ -68,18 +69,18 @@
                                     <input matInput name="iban" [(ngModel)]="tenant.iban"/>
                                 </mat-form-field>
                             </div>
-<!--
                             <div>
-                                <mat-form-field appearance="outline">
+                                <mat-form-field appearance="outline" *ngIf="tenant.account">
                                     <mat-label>Account ID</mat-label>
-                                    <input matInput name="account_id" [readonly]="true" [ngModel]="account.id"/>
+                                    <input matInput name="account_id" [readonly]="true" [ngModel]="tenant.account"/>
                                 </mat-form-field>
+                            <!--
                                 <mat-form-field appearance="outline">
                                     <mat-label>Account Description</mat-label>
                                     <input matInput name="account_desc" [readonly]="true" [ngModel]="account.description"/>
                                 </mat-form-field>
-                            </div>
--->                            
+                            -->                            
+                        </div>
                             <button #submitButton type="submit" mat-raised-button color="primary">Speichern</button>
                         </form>
                     </div>

ui/hv2-ui/src/app/tenant-details/tenant-details.component.ts

@@ -90,11 +90,18 @@ export class TenantDetailsComponent implements OnInit {
   async getTenant(): Promise<void> {
     try {
       const id = +this.route.snapshot.paramMap.get('id')
+      this.messageService.add(`getTenant, id=${id}`)
       if (id != 0) {
+        this.messageService.add("getTenant, not-0-branch")
         this.tenantId = id
         this.tenant = await this.tenantService.getTenant(id)
         this.account = await this.accountService.getAccount(this.tenant.account)
         this.getTenancies()
+      } else {
+        this.messageService.add("getTenant, 0-branch")
+        this.tenant = NULL_Tenant
+        this.account = NULL_Account
+        this.tenancies = []
       }
     } catch (err) {
       this.messageService.add(JSON.stringify(err, undefined, 4))