Initial commit

internal/handlers/dashboard_handler.go

@@ -0,0 +1,62 @@
+// Filename: internal/handlers/dashboard_handler.go
+package handlers
+
+import (
+	"gemini-balancer/internal/errors"
+	"gemini-balancer/internal/service"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+// DashboardHandler 负责处理全局仪表盘相关的API请求
+type DashboardHandler struct {
+	queryService *service.DashboardQueryService
+}
+
+func NewDashboardHandler(qs *service.DashboardQueryService) *DashboardHandler {
+	return &DashboardHandler{queryService: qs}
+}
+
+// GetOverview 获取仪表盘的全局统计卡片数据
+func (h *DashboardHandler) GetOverview(c *gin.Context) {
+	stats, err := h.queryService.GetDashboardOverviewData()
+	if err != nil {
+		apiErr := errors.NewAPIError(errors.ErrInternalServer, err.Error())
+		c.JSON(apiErr.HTTPStatus, apiErr)
+		return
+	}
+	c.JSON(http.StatusOK, stats)
+}
+
+// GetChart 获取仪表盘的图表数据
+func (h *DashboardHandler) GetChart(c *gin.Context) {
+	var groupID *uint
+	if groupIDStr := c.Query("groupId"); groupIDStr != "" {
+		if id, err := strconv.Atoi(groupIDStr); err == nil {
+			uid := uint(id)
+			groupID = &uid
+		}
+	}
+
+	chartData, err := h.queryService.QueryHistoricalChart(groupID)
+	if err != nil {
+		apiErr := errors.NewAPIError(errors.ErrDatabase, err.Error())
+		c.JSON(apiErr.HTTPStatus, apiErr)
+		return
+	}
+	c.JSON(http.StatusOK, chartData)
+}
+
+// GetRequestStats 处理对“期间调用概览”的请求
+func (h *DashboardHandler) GetRequestStats(c *gin.Context) {
+	period := c.Param("period") // 从 URL 路径中获取 period
+	stats, err := h.queryService.GetRequestStatsForPeriod(period)
+	if err != nil {
+		apiErr := errors.NewAPIError(errors.ErrBadRequest, err.Error())
+		c.JSON(apiErr.HTTPStatus, apiErr)
+		return
+	}
+	c.JSON(http.StatusOK, stats)
+}