新功能: 添加后端代码

backend/application/dispatch.py

@@ -0,0 +1,222 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from django.conf import settings
+from django.db import connection
+
+
+def is_tenants_mode():
+    """
+    判断是否为租户模式
+    :return:
+    """
+    return hasattr(connection, "tenant") and connection.tenant.schema_name
+
+
+# ================================================= #
+# ******************** 初始化 ******************** #
+# ================================================= #
+def _get_all_dictionary():
+    from dvadmin.system.models import Dictionary
+
+    queryset = Dictionary.objects.filter(status=True, is_value=False)
+    data = []
+    for instance in queryset:
+        data.append(
+            {
+                "id": instance.id,
+                "value": instance.value,
+                "children": list(
+                    Dictionary.objects.filter(parent=instance.id)
+                    .filter(status=1)
+                    .values("label", "value", "type", "color")
+                ),
+            }
+        )
+    return {ele.get("value"): ele for ele in data}
+
+
+def _get_all_system_config():
+    data = {}
+    from dvadmin.system.models import SystemConfig
+
+    system_config_obj = (
+        SystemConfig.objects.filter(parent_id__isnull=False)
+        .values("parent__key", "key", "value", "form_item_type")
+        .order_by("sort")
+    )
+    for system_config in system_config_obj:
+        value = system_config.get("value", "")
+        if value and system_config.get("form_item_type") == 7:
+            value = value[0].get("url")
+        if value and system_config.get("form_item_type") == 11:
+            new_value = []
+            for ele in value:
+                new_value.append({
+                    "key": ele.get('key'),
+                    "title": ele.get('title'),
+                    "value": ele.get('value'),
+                })
+            new_value.sort(key=lambda s: s["key"])
+            value = new_value
+        data[f"{system_config.get('parent__key')}.{system_config.get('key')}"] = value
+    return data
+
+
+def init_dictionary():
+    """
+    初始化字典配置
+    :return:
+    """
+    try:
+        if is_tenants_mode():
+            from django_tenants.utils import tenant_context, get_tenant_model
+
+            for tenant in get_tenant_model().objects.filter():
+                with tenant_context(tenant):
+                    settings.DICTIONARY_CONFIG[connection.tenant.schema_name] = _get_all_dictionary()
+        else:
+            settings.DICTIONARY_CONFIG = _get_all_dictionary()
+    except Exception as e:
+        print("请先进行数据库迁移!")
+    return
+
+
+def init_system_config():
+    """
+    初始化系统配置
+    :param name:
+    :return:
+    """
+    try:
+
+        if is_tenants_mode():
+            from django_tenants.utils import tenant_context, get_tenant_model
+
+            for tenant in get_tenant_model().objects.filter():
+                with tenant_context(tenant):
+                    settings.SYSTEM_CONFIG[connection.tenant.schema_name] = _get_all_system_config()
+        else:
+            settings.SYSTEM_CONFIG = _get_all_system_config()
+    except Exception as e:
+        print("请先进行数据库迁移!")
+    return
+
+
+def refresh_dictionary():
+    """
+    刷新字典配置
+    :return:
+    """
+    if is_tenants_mode():
+        from django_tenants.utils import tenant_context, get_tenant_model
+
+        for tenant in get_tenant_model().objects.filter():
+            with tenant_context(tenant):
+                settings.DICTIONARY_CONFIG[connection.tenant.schema_name] = _get_all_dictionary()
+    else:
+        settings.DICTIONARY_CONFIG = _get_all_dictionary()
+
+
+def refresh_system_config():
+    """
+    刷新系统配置
+    :return:
+    """
+    if is_tenants_mode():
+        from django_tenants.utils import tenant_context, get_tenant_model
+
+        for tenant in get_tenant_model().objects.filter():
+            with tenant_context(tenant):
+                settings.SYSTEM_CONFIG[connection.tenant.schema_name] = _get_all_system_config()
+    else:
+        settings.SYSTEM_CONFIG = _get_all_system_config()
+
+
+# ================================================= #
+# ******************** 字典管理 ******************** #
+# ================================================= #
+def get_dictionary_config(schema_name=None):
+    """
+    获取字典所有配置
+    :param schema_name: 对应字典配置的租户schema_name值
+    :return:
+    """
+    if not settings.DICTIONARY_CONFIG:
+        refresh_dictionary()
+    if is_tenants_mode():
+        dictionary_config = settings.DICTIONARY_CONFIG[schema_name or connection.tenant.schema_name]
+    else:
+        dictionary_config = settings.DICTIONARY_CONFIG
+    return dictionary_config or {}
+
+
+def get_dictionary_values(key, schema_name=None):
+    """
+    获取字典数据数组
+    :param key: 对应字典配置的key值(字典编号)
+    :param schema_name: 对应字典配置的租户schema_name值
+    :return:
+    """
+    dictionary_config = get_dictionary_config(schema_name)
+    return dictionary_config.get(key)
+
+
+def get_dictionary_label(key, name, schema_name=None):
+    """
+    获取获取字典label值
+    :param key: 字典管理中的key值(字典编号)
+    :param name: 对应字典配置的value值
+    :param schema_name: 对应字典配置的租户schema_name值
+    :return:
+    """
+    children = get_dictionary_values(key, schema_name) or []
+    for ele in children:
+        if ele.get("value") == str(name):
+            return ele.get("label")
+    return ""
+
+
+# ================================================= #
+# ******************** 系统配置 ******************** #
+# ================================================= #
+def get_system_config(schema_name=None):
+    """
+    获取系统配置中所有配置
+    1.只传父级的key，返回全部子级，{ "父级key.子级key" : "值" }
+    2."父级key.子级key"，返回子级值
+    :param schema_name: 对应字典配置的租户schema_name值
+    :return:
+    """
+    if not settings.SYSTEM_CONFIG:
+        refresh_system_config()
+    if is_tenants_mode():
+        dictionary_config = settings.SYSTEM_CONFIG[schema_name or connection.tenant.schema_name]
+    else:
+        dictionary_config = settings.SYSTEM_CONFIG
+    return dictionary_config or {}
+
+
+def get_system_config_values(key, schema_name=None):
+    """
+    获取系统配置数据数组
+    :param key: 对应系统配置的key值(字典编号)
+    :param schema_name: 对应系统配置的租户schema_name值
+    :return:
+    """
+    system_config = get_system_config(schema_name)
+    return system_config.get(key)
+
+
+def get_system_config_label(key, name, schema_name=None):
+    """
+    获取获取系统配置label值
+    :param key: 系统配置中的key值(字典编号)
+    :param name: 对应系统配置的value值
+    :param schema_name: 对应系统配置的租户schema_name值
+    :return:
+    """
+    children = get_system_config_values(key, schema_name) or []
+    for ele in children:
+        if ele.get("value") == str(name):
+            return ele.get("label")
+    return ""