order/web/controllers/food/Food.py

# -*- coding: utf-8 -*-
from flask import Blueprint,request,jsonify,redirect
from common.models.food.Food import Food
from common.libs.Helper import ops_render
from common.models.food.FoodCat import FoodCat
from application import app,db
from common.libs.Helper import getCurrentDate,iPagination,getDictFilterField
from common.libs.food.FoodService import FoodService
from common.libs.UrlManager import UrlManager
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():
    return ops_render( "food/info.html" )


@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= id ).first()
    if not food_cat_info:
        resp['code'] = -1
        resp['msg'] = "指定分类不存在~~"
        return jsonify(resp)

    if act == "remove":
        food_cat_info.status = 0
    elif act == "recover":
        food_cat_info.status = 1

        food_cat_info.update_time = getCurrentDate()
    db.session.add( food_cat_info )
    db.session.commit()
    return jsonify(resp)