feat(router,service): list projects endpoint

router/projects.go

@@ -1,6 +1,7 @@
 package router
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
@@ -20,6 +21,11 @@ func (router *router) projects(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if r.Method == http.MethodGet {
+		router.listProjects(w, r)
+		return
+	}
+
 	router.createProject(w, r)
 }
 
@@ -84,3 +90,30 @@ func (router *router) getProject(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 }
+
+func (router *router) listProjects(w http.ResponseWriter, r *http.Request) {
+	router.assert.NotNil(w)
+	router.assert.NotNil(r)
+	router.assert.NotNil(router.service)
+	router.assert.NotNil(router.templates)
+
+	ps, err := router.service.ListProjects()
+	if err != nil {
+		exception.InternalServerError(err).ServeHTTP(w, r)
+		return
+	}
+
+	b, err := json.Marshal(ps)
+	if err != nil {
+		exception.InternalServerError(err).ServeHTTP(w, r)
+		return
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	_, err = w.Write(b)
+	if err != nil {
+		exception.InternalServerError(err).ServeHTTP(w, r)
+		return
+	}
+}

service/projects.go

@@ -113,3 +113,22 @@ func (s *Service) GetProject(id string) (Project, error) {
 
 	return p, nil
 }
+
+func (s *Service) ListProjects() ([]Project, error) {
+	s.assert.NotNil(s.db)
+
+	ps, err := s.db.ListProjects()
+	if err != nil {
+		return []Project{}, err
+	}
+
+	p := make([]Project, len(ps))
+	for i := range p {
+		p[i] = Project{
+			ID:    ps[i].ID,
+			Title: ps[i].Title,
+		}
+	}
+
+	return p, nil
+}