feat: add mergeability checks to summary view

cmd/app/mergeability_checks.go

@@ -0,0 +1,83 @@
+package app
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	gitlab "gitlab.com/gitlab-org/api/client-go"
+)
+
+type MergeabilityCheck struct {
+	Identifier string `json:"identifier"`
+	Status     string `json:"status"`
+}
+
+type MergeabilityChecksResponse struct {
+	SuccessResponse
+	MergeabilityChecks []*MergeabilityCheck `json:"mergeability_checks"`
+}
+
+type mergeabilityChecksGraphQLResponse struct {
+	Data struct {
+		Project struct {
+			MergeRequest struct {
+				MergeabilityChecks []*MergeabilityCheck `json:"mergeabilityChecks"`
+			} `json:"mergeRequest"`
+		} `json:"project"`
+	} `json:"data"`
+}
+
+const mergeabilityChecksQuery = `
+query GetMergeabilityChecks($projectPath: ID!, $iid: String!) {
+	project(fullPath: $projectPath) {
+		mergeRequest(iid: $iid) {
+			mergeabilityChecks {
+				identifier
+				status
+			}
+		}
+	}
+}
+`
+
+type mergeabilityChecksService struct {
+	data
+	client gitlab.GraphQLInterface
+}
+
+func (a mergeabilityChecksService) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	checks, err := a.fetchMergeabilityChecks()
+	if err != nil {
+		handleError(w, err, "Could not get mergeability checks", http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+	response := MergeabilityChecksResponse{
+		SuccessResponse:    SuccessResponse{Message: "Mergeability checks retrieved"},
+		MergeabilityChecks: checks,
+	}
+
+	err = json.NewEncoder(w).Encode(response)
+	if err != nil {
+		handleError(w, err, "Could not encode response", http.StatusInternalServerError)
+	}
+}
+
+func (a mergeabilityChecksService) fetchMergeabilityChecks() ([]*MergeabilityCheck, error) {
+	var response mergeabilityChecksGraphQLResponse
+
+	_, err := a.client.Do(gitlab.GraphQLQuery{
+		Query: mergeabilityChecksQuery,
+		Variables: map[string]any{
+			"projectPath": a.gitInfo.ProjectPath(),
+			"iid":         fmt.Sprintf("%d", a.projectInfo.MergeId),
+		},
+	}, &response)
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch mergeability checks: %w", err)
+	}
+
+	return response.Data.Project.MergeRequest.MergeabilityChecks, nil
+}