tool gjj loan measure fix

app/service/house/v2/tool.js

+
+'use strict';
+
+const Service = require('egg').Service;
+
+class ToolService extends Service {
+
+    async getNewHouseMapPoint(area_code, level) {
+
+        const { ctx } = this;
+        let map_points = [];
+        if (level == 1) {
+            map_points = await ctx.blockModel.HouseNewHousePriceMap.all({ where: { pid: area_code } });
+        } else {
+            map_points = await ctx.blockModel.HouseNewHousePriceMap2.all({ where: { pid: area_code } });
+        }
+
+        if (!map_points || map_points.length === 0) {
+            return [];//sdfsfsfs
+        }
+
+        const ret = [];
+        for (let i in map_points) {
+            const item = map_points[i];
+            if (('price' in item) && !item.price) {
+                continue;
+            }
+            if (('count' in item) && !item.count) {
+                continue;
+            }
+            ret.push({
+                id: item.id,
+                name: item.name,
+                longitude: item.longitude,
+                latitude: item.latitude,
+                price: item.price,
+                count: item.count,
+                unit: item.unit || '个楼盘',
+                level,
+            });
+        }
+
+        return ret;
+    }
+
+    async getUsedHouseMapPoint(area_code, level) {
+
+        const { ctx } = this;
+        let map_points = [];
+        if (level == 1) {
+            map_points = await ctx.blockModel.HousePriceMap.all({ where: { pid: area_code } });
+        } else if (level == 2) {
+            map_points = await ctx.blockModel.HousePriceMap2.all({ where: { pid: area_code } });
+        } else {
+            map_points = await ctx.blockModel.HousePriceMap3.all({ where: { pid: area_code } });
+        }
+
+        if (!map_points || map_points.length === 0) {
+            return [];
+        }
+        const ret = [];
+        for (let i in map_points) {
+            const item = map_points[i];
+            if (('price' in item) && !item.price) {
+                continue;
+            }
+            ret.push({
+                id: item.id,
+                name: item.name,
+                longitude: item.longitude,
+                latitude: item.latitude,
+                price: item.price,
+                unit: item.unit || '元/平',
+                level,
+            });
+        }
+
+        return ret;
+    }
+
+    async generateHousePlan(input) {
+
+        const { ctx } = this;
+        const down_payment = input.down_payment || 0;//首付金额
+        const invest_payment = input.invest_payment || 0;//投资金额
+        const prepare_time = input.prepare_time || 6;
+        const balance = down_payment - invest_payment;
+        let notice = '';
+        let status = 0;
+        let invest_items = [];
+        if (balance < 0) {
+            status = 2;//完全有能力买到房
+            notice = '您的资金已满足本项目首付条件，还有更多项目在您预算范围内。一键预约，轻松看房！';
+            return { status, notice, invest_items };
+        }
+        const rate = balance / invest_payment;
+        if (rate >= 0.5) {
+            status = 0;//完全没有希望能买到房
+            notice = '非常遗憾，您的首付预算距离购买该项目尚有较大差距，您可以选择以下方案：';
+        } else {
+            status = 1;//j加把劲还是有希望买到房
+            notice = '恭喜您！依据以上计划，您即将完成XXX项目首付款准备。您现阶段首付预算可以购买以下项目房源：';
+            const invest_plans = await ctx.blockModel.HouseInvestPlan.one({ where: { condition_min: { $lt: rate }, condition_max: { $gte: rate }, status: 'online', valid: 1, period: prepare_time } });
+            if (Object.keys(invest_plans).length !== 0 && invest_plans.items) {
+                invest_items = invest_plans.items;
+            }
+        }
+
+        return { status, notice, invest_items };
+    }
+}
+
+module.exports = ToolService;