基于Python和微信小程序的微信订餐系统设计源码

# -*- coding: utf-8 -*- from flask import Blueprint,request,jsonify,redirect from common.libs.Helper import ops_render,getCurrentDate,iPagination,getDictFilterField from application import app,db from common.models.food.Food import Food from common.models.food.FoodCat import FoodCat from common.models.food.FoodStockChangeLog import FoodStockChangeLog from common.libs.UrlManager import UrlManager from common.libs.food.FoodService import FoodService from decimal import Decimal from sqlalchemy import or_ route_food = Blueprint( 'food_page',__name__ ) @route_food.route( "/index" ) def index(): resp_data = {} req = request.values page = int(req['p']) if ('p' in req and req['p']) else 1 query = Food.query if 'mix_kw' in req: rule = or_(Food.name.ilike("%{0}%".format(req['mix_kw'])), Food.tags.ilike("%{0}%".format(req['mix_kw']))) query = query.filter( rule ) if 'status' in req and int( req['status'] ) > -1 : query = query.filter( Food.status == int( req['status'] ) ) if 'cat_id' in req and int( req['cat_id'] ) > 0 : query = query.filter( Food.cat_id == int( req['cat_id'] ) ) page_params = { 'total':query.count(), 'page_size': app.config['PAGE_SIZE'], 'page':page, 'display':app.config['PAGE_DISPLAY'], 'url': request.full_path.replace("&p={}".format(page),"") } pages = iPagination( page_params ) offset = ( page - 1 ) * app.config['PAGE_SIZE'] list = query.order_by( Food.id.desc() ).offset( offset ).limit( app.config['PAGE_SIZE'] ).all() cat_mapping = getDictFilterField( FoodCat,FoodCat.id,"id",[] ) resp_data['list'] = list resp_data['pages'] = pages resp_data['search_con'] = req resp_data['status_mapping'] = app.config['STATUS_MAPPING'] resp_data['cat_mapping'] = cat_mapping resp_data['current'] = 'index' return ops_render( "food/index.html",resp_data ) @route_food.route( "/info" ) def info(): resp_data = {} req = request.args id = int(req.get("id", 0)) reback_url = UrlManager.buildUrl("/food/index") if id < 1: return redirect( reback_url ) info = Food.query.filter_by( id =id ).first() if not info: return redirect( reback_url ) stock_change_list = FoodStockChangeLog.query.filter( FoodStockChangeLog.food_id == id )\ .order_by( FoodStockChangeLog.id.desc() ).all() resp_data['info'] = info resp_data['stock_change_list'] = stock_change_list resp_data['current'] = 'index' return ops_render( "food/info.html",resp_data ) @route_food.route( "/set" ,methods = [ 'GET','POST'] ) def set(): if request.method == "GET": resp_data = {} req = request.args id = int( req.get('id',0) ) info = Food.query.filter_by( id = id ).first() if info and info.status != 1: return redirect( UrlManager.buildUrl("/food/index") ) cat_list = FoodCat.query.all() resp_data['info'] = info resp_data['cat_list'] = cat_list resp_data['current'] = 'index' return ops_render( "food/set.html" ,resp_data) resp = {'code': 200, 'msg': '操作成功~~', 'data': {}} req = request.values id = int(req['id']) if 'id' in req and req['id'] else 0 cat_id = int(req['cat_id']) if 'cat_id' in req else 0 name = req['name'] if 'name' in req else '' price = req['price'] if 'price' in req else '' main_image = req['main_image'] if 'main_image' in req else '' summary = req['summary'] if 'summary' in req else '' stock = int(req['stock']) if 'stock' in req else '' tags = req['tags'] if 'tags' in req else '' if cat_id < 1: resp['code'] = -1 resp['msg'] = "请选择分类~~" return jsonify(resp) if name is None or len(name) < 1: resp['code'] = -1 resp['msg'] = "请输入符合规范的名称~~" return jsonify(resp) if not price or len( price ) < 1: resp['code'] = -1 resp['msg'] = "请输入符合规范的售卖价格~~" return jsonify(resp) price = Decimal(price).quantize(Decimal('0.00')) if price <= 0: resp['code'] = -1 resp['msg'] = "请输入符合规范的售卖价格~~" return jsonify(resp) if main_image is None or len(main_image) < 3: resp['code'] = -1 resp['msg'] = "请上传封面图~~" return jsonify(resp) if summary is None or len(summary) < 3: resp['code'] = -1 resp['msg'] = "请输入图书描述，并不能少于10个字符~~" return jsonify(resp) if stock < 1: resp['code'] = -1 resp['msg'] = "请输入符合规范的库存量~~" return jsonify(resp) if tags is None or len(tags) < 1: resp['code'] = -1 resp['msg'] = "请输入标签，便于搜索~~" return jsonify(resp) food_info = Food.query.filter_by(id=id).first() before_stock = 0 if food_info: model_food = food_info before_stock = model_food.stock else: model_food = Food() model_food.status = 1 model_food.created_time = getCurrentDate() model_food.cat_id = cat_id model_food.name = name model_food.price = price model_food.main_image = main_image model_food.summary = summary model_food.stock = stock model_food.tags = tags model_food.updated_time = getCurrentDate() db.session.add(model_food) ret = db.session.commit() FoodService.setStockChangeLog( model_food.id,int(stock) - int(before_stock),"后台修改" ) return jsonify(resp) @route_food.route( "/cat" ) def cat(): resp_data = {} req = request.values query = FoodCat.query if 'status' in req and int( req['status'] ) > -1: query = query.filter( FoodCat.status == int( req['status'] ) ) list = query.order_by( FoodCat.weight.desc(),FoodCat.id.desc() ).all() resp_data['list'] = list resp_data['search_con'] = req resp_data['status_mapping'] = app.config['STATUS_MAPPING'] resp_data['current'] = 'cat' return ops_render( "food/cat.html",resp_data ) @route_food.route( "/cat-set",methods = [ "GET","POST" ] ) def catSet(): if request.method == "GET": resp_data = {} req = request.args id = int(req.get("id", 0)) info = None if id: info = FoodCat.query.filter_by( id = id ).first() resp_data['info'] = info resp_data['current'] = 'cat' return ops_render( "food/cat_set.html" ,resp_data ) resp = {'code': 200, 'msg': '操作成功~~', 'data': {}} req = request.values id = req['id'] if 'id' in req else 0 name = req['name'] if 'name' in req else '' weight = int( req['weight'] ) if ( 'weight' in req and int( req['weight']) > 0 ) else 1 if name is None or len( name ) < 1: resp['code'] = -1 resp['msg'] = "请输入符合规范的分类名称~~" return jsonify( resp ) food_cat_info = FoodCat.query.filter_by( id = id ).first() if food_cat_info: model_food_cat = food_cat_info else: model_food_cat = FoodCat() model_food_cat.created_time = getCurrentDate() model_food_cat.name = name model_food_cat.weight = weight model_food_cat.updated_time = getCurrentDate() db.session.add(model_food_cat) db.session.commit() return jsonify( resp ) @route_food.route("/cat-ops",methods = [ "POST" ]) def catOps(): resp = {'code': 200, 'msg': '操作成功~~', 'data': {}} req = request.values id = req['id'] if 'id' in req else 0 act = req['act'] if 'act' in req else '' if not id : resp['code'] = -1 resp['msg'] = "请选择要操作的账号~~" return jsonify(resp) if act not in [ 'remove','recover' ] : resp['code'] = -1 resp['msg'] = "操作有误，请重试~~" return jsonify(resp) food_cat_info = FoodCat.query.filter_by( id= i