platform: modularize api/gui, add docs-tests-web foundation, and refresh root config

selective-vpn-api/app/transport_singbox_profiles_card_patch.go

@@ -0,0 +1,92 @@
+package app
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+)
+
+func handleTransportSingBoxProfileCardPatch(w http.ResponseWriter, r *http.Request, id string) {
+	var body SingBoxProfilePatchRequest
+	if r.Body != nil {
+		defer r.Body.Close()
+		if err := json.NewDecoder(io.LimitReader(r.Body, 1<<20)).Decode(&body); err != nil && err != io.EOF {
+			http.Error(w, "bad json", http.StatusBadRequest)
+			return
+		}
+	}
+
+	singBoxProfilesMu.Lock()
+	defer singBoxProfilesMu.Unlock()
+
+	st := loadSingBoxProfilesState()
+	idx := findSingBoxProfileIndex(st.Items, id)
+	if idx < 0 {
+		writeJSON(w, http.StatusNotFound, SingBoxProfilesResponse{
+			OK:      false,
+			Code:    singBoxProfileCodeNotFound,
+			Message: "not found",
+		})
+		return
+	}
+	cur := st.Items[idx]
+	if body.BaseRevision > 0 && body.BaseRevision != cur.ProfileRevision {
+		writeJSON(w, http.StatusConflict, SingBoxProfilesResponse{
+			OK:      false,
+			Code:    singBoxProfileCodeRevisionMismatch,
+			Message: "base_revision mismatch",
+			Item:    &cur,
+		})
+		return
+	}
+
+	next, secretRes, changed, code, err := patchSingBoxProfile(cur, body)
+	if err != nil {
+		status := http.StatusBadRequest
+		if code == singBoxProfileCodeSecretsFailed {
+			status = http.StatusInternalServerError
+		}
+		writeJSON(w, status, SingBoxProfilesResponse{
+			OK:      false,
+			Code:    code,
+			Message: err.Error(),
+			Item:    &cur,
+		})
+		return
+	}
+	if !changed {
+		writeJSON(w, http.StatusOK, SingBoxProfilesResponse{
+			OK:              true,
+			Message:         "noop",
+			ActiveProfileID: st.ActiveProfileID,
+			Item:            &cur,
+		})
+		return
+	}
+
+	st.Items[idx] = next
+	ensureSingBoxProfilesActiveID(&st)
+	st.Revision++
+	if err := saveSingBoxProfilesState(st); err != nil {
+		if secretRes.Rollback != nil {
+			secretRes.Rollback()
+		}
+		writeJSON(w, http.StatusInternalServerError, SingBoxProfilesResponse{
+			OK:      false,
+			Code:    singBoxProfileCodeSaveFailed,
+			Message: "save failed: " + err.Error(),
+			Item:    &cur,
+		})
+		return
+	}
+	events.push("singbox_profile_saved", map[string]any{
+		"id":       next.ID,
+		"revision": next.ProfileRevision,
+	})
+	writeJSON(w, http.StatusOK, SingBoxProfilesResponse{
+		OK:              true,
+		Message:         "updated",
+		ActiveProfileID: st.ActiveProfileID,
+		Item:            &next,
+	})
+}