112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
# The accounting application of the Mia project.
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# by imacat <imacat@mail.imacat.idv.tw>, 2020/6/29
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# Copyright (c) 2020 imacat.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The data models of the accounting application.
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"""
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from django.db import models
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class Subject(models.Model):
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"""An accounting subject."""
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sn = models.IntegerField(primary_key=True)
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parent = models.ForeignKey(
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"self", on_delete=models.PROTECT, null=True, blank=True,
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db_column="parent_sn")
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code = models.CharField(max_length=5)
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title_zhtw = models.CharField(max_length=32)
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title_en = models.CharField(max_length=128, null=True, blank=True)
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title_zhcn = models.CharField(
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max_length=32, null=True, blank=True)
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created_at = models.DateTimeField(
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auto_now_add=True, db_column="created")
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created_by_sn = models.IntegerField(
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default=923153018, db_column="createdby")
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updated_at = models.DateTimeField(
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auto_now_add=True, db_column="updated")
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updated_by_sn = models.IntegerField(
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default=923153018, db_column="updatedby")
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def __str__(self):
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"""Returns the string representation of this accounting
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subject."""
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return self.code.__str__() + " " + self.title_zhtw.__str__()
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class Meta:
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db_table = "accounting_subjects"
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ordering = ["code"]
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class Transaction(models.Model):
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"""An accounting transaction."""
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sn = models.IntegerField(primary_key=True)
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date = models.DateField(auto_now_add=True)
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ord = models.PositiveSmallIntegerField(default=1)
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note = models.CharField(max_length=128, null=True, blank=True)
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created_at = models.DateTimeField(
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auto_now_add=True, db_column="created")
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created_by_sn = models.IntegerField(
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default=923153018, db_column="createdby")
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updated_at = models.DateTimeField(
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auto_now_add=True, db_column="updated")
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updated_by_sn = models.IntegerField(
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default=923153018, db_column="updatedby")
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def __str__(self):
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"""Returns the string representation of this accounting
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transaction."""
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return self.date.__str__() + " #" + self.ord.__str__()
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class Meta:
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db_table = "accounting_transactions"
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ordering = ["date", "ord"]
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class Record(models.Model):
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"""An accounting record."""
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sn = models.IntegerField(primary_key=True)
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transaction = models.ForeignKey(
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Transaction, on_delete=models.CASCADE,
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db_column="transaction_sn")
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is_credit = models.BooleanField()
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ord = models.PositiveSmallIntegerField(default=1)
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subject = models.ForeignKey(
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Subject, on_delete=models.PROTECT, db_column="subject_sn")
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summary = models.CharField(max_length=128, blank=True, null=True)
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amount = models.PositiveIntegerField()
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created_at = models.DateTimeField(
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auto_now_add=True, db_column="created")
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created_by_sn = models.IntegerField(
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default=923153018, db_column="createdby")
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updated_at = models.DateTimeField(
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auto_now_add=True, db_column="updated")
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updated_by_sn = models.IntegerField(
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default=923153018, db_column="updatedby")
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def __str__(self):
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"""Returns the string representation of this accounting
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record."""
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return self.transaction.date.__str__() + " "\
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+ self.subject.title_zhtw.__str__()\
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+ " " + self.summary.__str__()\
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+ " " + self.amount.__str__()
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class Meta:
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db_table = "accounting_records"
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ordering = ["is_credit", "ord"]
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