初始提交：OCI 面板后端（含 GenAI 网关一期）

internal/api/region.go

@@ -0,0 +1,82 @@
+package api
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+
+	"oci-portal/internal/oci"
+)
+
+// listRegions 返回本地维护的完整区域表（含友好名称），不发起云端请求。
+func listRegions(c *gin.Context) {
+	regions, err := oci.AllRegions()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, regions)
+}
+
+func (h *ociConfigHandler) regionSubscriptions(c *gin.Context) {
+	id, ok := pathID(c)
+	if !ok {
+		return
+	}
+	subs, err := h.svc.RegionSubscriptions(c.Request.Context(), id)
+	if err != nil {
+		respondError(c, err)
+		return
+	}
+	c.JSON(http.StatusOK, subs)
+}
+
+type subscribeRegionRequest struct {
+	RegionKey string `json:"regionKey" binding:"required"`
+}
+
+func (h *ociConfigHandler) subscribeRegion(c *gin.Context) {
+	id, ok := pathID(c)
+	if !ok {
+		return
+	}
+	var req subscribeRegionRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	subs, err := h.svc.SubscribeRegion(c.Request.Context(), id, req.RegionKey)
+	if err != nil {
+		respondError(c, err)
+		return
+	}
+	c.JSON(http.StatusOK, subs)
+}
+
+func (h *ociConfigHandler) limits(c *gin.Context) {
+	id, ok := pathID(c)
+	if !ok {
+		return
+	}
+	scopeType := strings.ToUpper(c.Query("scopeType"))
+	if scopeType != "" && scopeType != "GLOBAL" && scopeType != "REGION" && scopeType != "AD" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "scopeType must be GLOBAL / REGION / AD"})
+		return
+	}
+	q := oci.LimitsQuery{
+		Region:             c.Query("region"),
+		Service:            c.DefaultQuery("service", "compute"),
+		Name:               c.Query("name"),
+		ScopeType:          scopeType,
+		AvailabilityDomain: c.Query("availabilityDomain"),
+		NonZero:            c.Query("nonZero") == "true",
+		WithAvailability:   c.Query("withAvailability") == "true",
+	}
+	values, err := h.svc.Limits(c.Request.Context(), id, q)
+	if err != nil {
+		respondError(c, err)
+		return
+	}
+	c.JSON(http.StatusOK, values)
+}