feat(charge):增加计费记录查询功能，待测。

controller/charge.go

@@ -0,0 +1,48 @@
+package controller
+
+import (
+	"electricity_bill_calc/repository"
+	"electricity_bill_calc/response"
+	"electricity_bill_calc/security"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+type _ChargesController struct {
+	Router *gin.Engine
+}
+
+var ChargesController *_ChargesController
+
+func InitializeChargesController(router *gin.Engine) {
+	ChargesController = &_ChargesController{
+		Router: router,
+	}
+
+	ChargesController.Router.GET("/charges", security.OPSAuthorize, listAllCharges)
+
+}
+
+func listAllCharges(c *gin.Context) {
+	result := response.NewResult(c)
+	requestPage, err := strconv.Atoi(c.DefaultQuery("page", "1"))
+	if err != nil {
+		result.NotAccept("查询参数[page]格式不正确。")
+		return
+	}
+	requestKeyword := c.DefaultQuery("keyword", "")
+	requestBeginDate := c.DefaultQuery("begin", "")
+	requestEndDate := c.DefaultQuery("end", "")
+	charges, total, err := repository.ChargeRepo.ListPagedChargeRecord(requestKeyword, requestBeginDate, requestEndDate, requestPage)
+	if err != nil {
+		result.NotFound(err.Error())
+		return
+	}
+	result.Json(
+		http.StatusOK, "已获取到符合条件的计费记录。",
+		response.NewPagedResponse(requestPage, total).ToMap(),
+		gin.H{"records": charges},
+	)
+}

go.mod

@@ -28,6 +28,7 @@ require (
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jinzhu/copier v0.3.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect

go.sum

@@ -308,6 +308,8 @@ github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0f
 github.com/jackc/puddle v1.1.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.1/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.3/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
+github.com/jinzhu/copier v0.3.5 h1:GlvfUwHk62RokgqVNvYsku0TATCF7bAHVwEXoBh3iJg=
+github.com/jinzhu/copier v0.3.5/go.mod h1:DfbEm0FYsaqBcKcFuvmOZb218JkPGtvSHsKg8S8hyyg=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=

model/user_charges.go

@@ -22,3 +22,12 @@ type UserCharge struct {
 func (UserCharge) TableName() string {
 	return "user_charge"
 }
+
+type ChargeWithName struct {
+	UserDetail `xorm:"extends"`
+	UserCharge `xorm:"extends"`
+}
+
+func (ChargeWithName) TableName() string {
+	return "user_charge"
+}

repository/charge.go

@@ -0,0 +1,52 @@
+package repository
+
+import (
+	"electricity_bill_calc/config"
+	"electricity_bill_calc/global"
+	"electricity_bill_calc/model"
+	"time"
+
+	"xorm.io/builder"
+)
+
+type _ChargeRepository struct{}
+
+var ChargeRepo _ChargeRepository
+
+func (_ChargeRepository) ListPagedChargeRecord(keyword, beginDate, endDate string, page int) ([]model.ChargeWithName, int64, error) {
+	var cond = builder.NewCond()
+	if len(keyword) != 0 {
+		cond.And(builder.Like{"u.name", keyword})
+	}
+	if len(beginDate) != 0 {
+		beginTime, err := time.Parse("2006-01-02", beginDate)
+		if err != nil {
+			return make([]model.ChargeWithName, 0), 0, err
+		}
+		cond.And(builder.Gte{"c.created_at": beginTime})
+	}
+	if len(endDate) != 0 {
+		endTime, err := time.Parse("2006-01-02", endDate)
+		if err != nil {
+			return make([]model.ChargeWithName, 0), 0, err
+		}
+		cond.And(builder.Lte{"c.created_at": endTime})
+	}
+	startItem := (page - 1) * config.ServiceSettings.ItemsPageSize
+	total, err := global.DBConn.
+		Table("user_charge").Alias("c").
+		Join("INNER", []string{"user_detail", "d"}, "c.user_id=d.id").
+		Where(cond).
+		Count(&model.ChargeWithName{})
+	if err != nil {
+		return nil, -1, err
+	}
+	charges := make([]model.ChargeWithName, 0)
+	err = global.DBConn.
+		Table("user_charge").Alias("c").
+		Join("INNER", []string{"user_detail", "d"}, "c.user_id=d.id").
+		Where(cond).
+		Limit(config.ServiceSettings.ItemsPageSize, startItem).
+		Find(&charges)
+	return charges, total, err
+}

service/charge.go

@@ -0,0 +1,5 @@
+package service
+
+type _ChargeService struct{}
+
+var ChargeService _ChargeService