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internal/database/project.go

@@ -111,19 +111,43 @@ func (db *DB) GetProject(id string) (*Project, error) {
 	return &p, nil
 }
 
-// CountProjects 统计项目数量。
-func (db *DB) CountProjects(status, search string) (int, error) {
-	query := `SELECT COUNT(*) FROM projects WHERE 1=1`
-	args := []interface{}{}
+func projectListSearchPattern(q string) string {
+	q = strings.TrimSpace(q)
+	if q == "" {
+		return ""
+	}
+	var b strings.Builder
+	b.WriteByte('%')
+	for _, r := range q {
+		switch r {
+		case '%', '_', '\\':
+			b.WriteByte('\\')
+			b.WriteRune(r)
+		default:
+			b.WriteRune(r)
+		}
+	}
+	b.WriteByte('%')
+	return b.String()
+}
+
+func appendProjectListFilters(query string, args []interface{}, status, search string) (string, []interface{}) {
 	if s := strings.TrimSpace(status); s != "" {
 		query += " AND status = ?"
 		args = append(args, s)
 	}
-	if q := strings.TrimSpace(search); q != "" {
-		pattern := "%" + q + "%"
-		query += " AND (name LIKE ? OR COALESCE(description,'') LIKE ?)"
-		args = append(args, pattern, pattern)
+	if pattern := projectListSearchPattern(search); pattern != "" {
+		query += ` AND (LOWER(name) LIKE LOWER(?) ESCAPE '\' OR LOWER(COALESCE(description,'')) LIKE LOWER(?) ESCAPE '\' OR LOWER(id) LIKE LOWER(?) ESCAPE '\')`
+		args = append(args, pattern, pattern, pattern)
 	}
+	return query, args
+}
+
+// CountProjects 统计项目数量。
+func (db *DB) CountProjects(status, search string) (int, error) {
+	query := `SELECT COUNT(*) FROM projects WHERE 1=1`
+	args := []interface{}{}
+	query, args = appendProjectListFilters(query, args, status, search)
 	var count int
 	if err := db.QueryRow(query, args...).Scan(&count); err != nil {
 		return 0, fmt.Errorf("统计项目失败: %w", err)
@@ -139,15 +163,7 @@ func (db *DB) ListProjects(status, search string, limit, offset int) ([]*Project
 	query := `SELECT id, name, COALESCE(description,''), COALESCE(scope_json,''), status, pinned, created_at, updated_at
 		FROM projects WHERE 1=1`
 	args := []interface{}{}
-	if s := strings.TrimSpace(status); s != "" {
-		query += " AND status = ?"
-		args = append(args, s)
-	}
-	if q := strings.TrimSpace(search); q != "" {
-		pattern := "%" + q + "%"
-		query += " AND (name LIKE ? OR COALESCE(description,'') LIKE ?)"
-		args = append(args, pattern, pattern)
-	}
+	query, args = appendProjectListFilters(query, args, status, search)
 	query += " ORDER BY pinned DESC, updated_at DESC LIMIT ? OFFSET ?"
 	args = append(args, limit, offset)
 

internal/database/project_search_test.go

@@ -0,0 +1,82 @@
+package database
+
+import (
+	"path/filepath"
+	"testing"
+
+	"go.uber.org/zap"
+)
+
+func TestListProjectsSearchCaseInsensitive(t *testing.T) {
+	dbPath := filepath.Join(t.TempDir(), "projects-search.db")
+	db, err := NewDB(dbPath, zap.NewNop())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	p1, err := db.CreateProject(&Project{Name: "Alpha Security Review", Status: "active"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	p2, err := db.CreateProject(&Project{Name: "beta-scan", Status: "active"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := db.CreateProject(&Project{Name: "Other", Status: "archived"}); err != nil {
+		t.Fatal(err)
+	}
+
+	cases := []struct {
+		name   string
+		search string
+		status string
+		want   []string
+	}{
+		{name: "case insensitive name", search: "alpha", status: "active", want: []string{p1.ID}},
+		{name: "upper query", search: "BETA", status: "active", want: []string{p2.ID}},
+		{name: "search by id substring", search: p1.ID[:8], status: "", want: []string{p1.ID}},
+		{name: "status filter", search: "alpha", status: "archived", want: nil},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			list, err := db.ListProjects(tc.status, tc.search, 50, 0)
+			if err != nil {
+				t.Fatal(err)
+			}
+			got := make([]string, 0, len(list))
+			for _, p := range list {
+				got = append(got, p.ID)
+			}
+			if len(got) != len(tc.want) {
+				t.Fatalf("got %v want %v", got, tc.want)
+			}
+			for i := range got {
+				if got[i] != tc.want[i] {
+					t.Fatalf("got %v want %v", got, tc.want)
+				}
+			}
+		})
+	}
+}
+
+func TestProjectListSearchPatternEscapesWildcards(t *testing.T) {
+	dbPath := filepath.Join(t.TempDir(), "projects-like.db")
+	db, err := NewDB(dbPath, zap.NewNop())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	p, err := db.CreateProject(&Project{Name: "100% coverage", Status: "active"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	list, err := db.ListProjects("active", "100%", 50, 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(list) != 1 || list[0].ID != p.ID {
+		t.Fatalf("expected exact match for literal %% query, got %#v", list)
+	}
+}