[Enhance] API for redeem

- Add API endpoints for redeem system
- Continue to fix the bug mentioned in 930faf508d

latest version/api/__init__.py

@@ -1,6 +1,7 @@
 from flask import Blueprint
 
-from . import (users, songs, token, system, items, purchases, presents)
+from . import (users, songs, token, system, items,
+               purchases, presents, redeems)
 
 bp = Blueprint('api', __name__, url_prefix='/api/v1')
 bp.register_blueprint(users.bp)
@@ -10,3 +11,4 @@ bp.register_blueprint(system.bp)
 bp.register_blueprint(items.bp)
 bp.register_blueprint(purchases.bp)
 bp.register_blueprint(presents.bp)
+bp.register_blueprint(redeems.bp)

latest version/api/presents.py

@@ -105,7 +105,7 @@ def presents_present_items_patch(data, user, present_id: str):
         p = Present(c)
         p.present_id = present_id
         p.select_items()
-        p.delete_items([ItemFactory.from_dict(x, c=c)
+        p.remove_items([ItemFactory.from_dict(x, c=c)
                         for x in data.get('remove', [])])
         p.add_items([ItemFactory.from_dict(x, c=c)
                      for x in data.get('create', [])])

latest version/api/purchases.py

@@ -119,7 +119,7 @@ def purchases_purchase_items_patch(data, user, purchase_name: str):
         p = Purchase(c)
         p.purchase_name = purchase_name
         p.select_items()
-        p.delete_items([ItemFactory.from_dict(x, c=c)
+        p.remove_items([ItemFactory.from_dict(x, c=c)
                         for x in data.get('remove', [])])
         p.add_items([ItemFactory.from_dict(x, c=c)
                      for x in data.get('create', [])])

latest version/api/redeems.py

@@ -0,0 +1,119 @@
+from flask import Blueprint, request
+
+from core.error import DataExist, InputError, NoData
+from core.item import ItemFactory
+from core.redeem import Redeem
+from core.sql import Connect, Query, Sql
+
+from .api_auth import api_try, request_json_handle, role_required
+from .api_code import success_return
+from .constant import Constant
+
+
+bp = Blueprint('redeems', __name__, url_prefix='/redeems')
+
+
+@bp.route('', methods=['GET'])
+@role_required(request, ['select'])
+@request_json_handle(request, optional_keys=Constant.QUERY_KEYS)
+@api_try
+def redeems_get(data, user):
+    '''查询全redeem信息'''
+    with Connect() as c:
+        query = Query(['code', 'type'], ['code'], ['code']).from_dict(data)
+        x = Sql(c).select('redeem', query=query)
+        r = [Redeem().from_list(i) for i in x]
+
+        if not r:
+            raise NoData(api_error_code=-2)
+
+        return success_return([x.to_dict(has_items=False) for x in r])
+
+
+@bp.route('', methods=['POST'])
+@role_required(request, ['insert'])
+@request_json_handle(request, required_keys=['code', 'type'], optional_keys=['items'])
+@api_try
+def redeems_post(data, user):
+    '''添加redeem，注意可以有items，不存在的item会自动创建'''
+    with Connect() as c:
+        r = Redeem(c).from_dict(data)
+        if r.select_exists():
+            raise DataExist(
+                f'redeem `{r.code}` already exists')
+        r.insert_all()
+        return success_return(r.to_dict(has_items='items' in data))
+
+
+@bp.route('/<string:code>', methods=['GET'])
+@role_required(request, ['select'])
+@api_try
+def redeems_redeem_get(user, code: str):
+    '''查询单个redeem信息'''
+    with Connect() as c:
+        r = Redeem(c).select(code)
+        r.select_items()
+        return success_return(r.to_dict())
+
+
+@bp.route('/<string:code>', methods=['DELETE'])
+@role_required(request, ['delete'])
+@api_try
+def redeems_redeem_delete(user, code: str):
+    '''删除redeem，会连带删除redeem_item'''
+    with Connect() as c:
+        Redeem(c).select(code).delete_all()
+        return success_return()
+
+
+@bp.route('/<string:code>', methods=['PUT'])
+@role_required(request, ['change'])
+@request_json_handle(request, optional_keys=['type'], must_change=True)
+@api_try
+def redeems_redeem_put(data, user, code: str):
+    '''更新redeem信息，注意不能有items'''
+    with Connect() as c:
+        r = Redeem(c).select(code)
+        if 'type' in data:
+            r.redeem_type = int(data['type'])
+        r.update()
+        return success_return(r.to_dict(has_items=False))
+
+
+@bp.route('/<string:code>/items', methods=['GET'])
+@role_required(request, ['select'])
+@api_try
+def redeems_redeem_items_get(user, code: str):
+    '''查询redeem的items'''
+    with Connect() as c:
+        r = Redeem(c)
+        r.code = code
+        r.select_items()
+        return success_return([x.to_dict(has_is_available=True) for x in r.items])
+
+
+@bp.route('/<string:code>/items', methods=['PATCH'])
+@role_required(request, ['change'])
+@request_json_handle(request, is_batch=True)
+@api_try
+def redeems_redeem_items_patch(data, user, code: str):
+    '''增删改单个redeem的items'''
+    with Connect() as c:
+        r = Redeem(c)
+        r.code = code
+        r.select_items()
+        r.remove_items([ItemFactory.from_dict(x, c=c)
+                        for x in data.get('remove', [])])
+        r.add_items([ItemFactory.from_dict(x, c=c)
+                     for x in data.get('create', [])])
+
+        updates = data.get('update', [])
+        for x in updates:
+            if 'amount' not in x:
+                raise InputError('`amount` is required in `update`')
+            if not isinstance(x['amount'], int) or x['amount'] <= 0:
+                raise InputError(
+                    '`amount` must be a positive integer', api_error_code=-101)
+
+        r.update_items([ItemFactory.from_dict(x, c=c) for x in updates])
+        return success_return([x.to_dict(has_is_available=True) for x in r.items])