feat: system manager.

2026-04-29 08:41:23 +08:00
parent ea44ea0153
commit 77e7a612fc
6 changed files with 590 additions and 0 deletions
@@ -0,0 +1,159 @@
+package controllers
+
+import (
+	"errors"
+	"hr_receiver/config"
+	"hr_receiver/models"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+type KindergartenAdminController struct {
+	DB *gorm.DB
+}
+
+type kindergartenPayload struct {
+	Address  string `json:"address"`
+	Name     string `json:"name"`
+	RegionID uint32 `json:"regionId"`
+}
+
+func NewKindergartenAdminController() *KindergartenAdminController {
+	return &KindergartenAdminController{DB: config.DB}
+}
+
+func (kc *KindergartenAdminController) List(c *gin.Context) {
+	var items []models.Kindergarten
+	query := kc.DB.Model(&models.Kindergarten{}).Order("region_id ASC, id ASC")
+
+	if keyword := strings.TrimSpace(c.Query("keyword")); keyword != "" {
+		likeValue := "%" + keyword + "%"
+		query = query.Where("name LIKE ? OR address LIKE ?", likeValue, likeValue)
+	}
+
+	if err := query.Find(&items).Error; err != nil {
+		writeError(c, http.StatusInternalServerError, "failed to query kindergartens")
+		return
+	}
+	writeSuccess(c, http.StatusOK, "query success", items)
+}
+
+func (kc *KindergartenAdminController) Create(c *gin.Context) {
+	var payload kindergartenPayload
+	if err := c.ShouldBindJSON(&payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+	if err := validateKindergartenPayload(payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	record := models.Kindergarten{
+		Address:  strings.TrimSpace(payload.Address),
+		Name:     strings.TrimSpace(payload.Name),
+		RegionID: payload.RegionID,
+	}
+	if err := kc.DB.Create(&record).Error; err != nil {
+		writeKindergartenDBError(c, err)
+		return
+	}
+	writeSuccess(c, http.StatusCreated, "create success", record)
+}
+
+func (kc *KindergartenAdminController) Update(c *gin.Context) {
+	record, err := kc.findByID(c.Param("id"))
+	if err != nil {
+		respondKindergartenLookupError(c, err)
+		return
+	}
+
+	var payload kindergartenPayload
+	if err := c.ShouldBindJSON(&payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+	if err := validateKindergartenPayload(payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	record.Name = strings.TrimSpace(payload.Name)
+	record.Address = strings.TrimSpace(payload.Address)
+	record.RegionID = payload.RegionID
+
+	if err := kc.DB.Save(&record).Error; err != nil {
+		writeKindergartenDBError(c, err)
+		return
+	}
+	writeSuccess(c, http.StatusOK, "update success", record)
+}
+
+func (kc *KindergartenAdminController) Delete(c *gin.Context) {
+	record, err := kc.findByID(c.Param("id"))
+	if err != nil {
+		respondKindergartenLookupError(c, err)
+		return
+	}
+
+	var bindings int64
+	if err := kc.DB.Model(&models.UserRegionBinding{}).Where("region_id = ?", record.RegionID).Count(&bindings).Error; err != nil {
+		writeError(c, http.StatusInternalServerError, "failed to check user bindings")
+		return
+	}
+	if bindings > 0 {
+		writeError(c, http.StatusConflict, "current kindergarten is bound to users")
+		return
+	}
+
+	if err := kc.DB.Delete(&record).Error; err != nil {
+		writeError(c, http.StatusInternalServerError, "failed to delete kindergarten")
+		return
+	}
+	writeSuccess(c, http.StatusOK, "delete success", nil)
+}
+
+func (kc *KindergartenAdminController) findByID(id string) (models.Kindergarten, error) {
+	var record models.Kindergarten
+	numericID, err := strconv.ParseUint(strings.TrimSpace(id), 10, 64)
+	if err != nil {
+		return record, gorm.ErrRecordNotFound
+	}
+	if err := kc.DB.First(&record, numericID).Error; err != nil {
+		return record, err
+	}
+	return record, nil
+}
+
+func validateKindergartenPayload(payload kindergartenPayload) error {
+	if strings.TrimSpace(payload.Name) == "" {
+		return errors.New("name is required")
+	}
+	if strings.TrimSpace(payload.Address) == "" {
+		return errors.New("address is required")
+	}
+	if payload.RegionID == 0 {
+		return errors.New("regionId is required")
+	}
+	return nil
+}
+
+func respondKindergartenLookupError(c *gin.Context, err error) {
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		writeError(c, http.StatusNotFound, "kindergarten not found")
+		return
+	}
+	writeError(c, http.StatusInternalServerError, "failed to query kindergarten")
+}
+
+func writeKindergartenDBError(c *gin.Context, err error) {
+	if strings.Contains(strings.ToLower(err.Error()), "unique") {
+		writeError(c, http.StatusConflict, "regionId already has a kindergarten")
+		return
+	}
+	writeError(c, http.StatusInternalServerError, "failed to persist kindergarten")
+}