From 78aafe0ce9953154fd94f4ff38124da8d737081e Mon Sep 17 00:00:00 2001
From: Victor Lacasse-Beaudoin <vlbeaudoin@agecem.org>
Date: Wed, 19 Jun 2024 00:04:19 -0400
Subject: [PATCH] feature(api): add and test ProgrammesGET

---
 client.go      | 18 ++++++++++++++++++
 client_test.go | 14 +++++++++-----
 db.go          | 41 +++++++++++++++++++++++++++++++++++++++++
 routes.go      | 43 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 111 insertions(+), 5 deletions(-)

diff --git a/client.go b/client.go
index 386dbdd..28ac08c 100644
--- a/client.go
+++ b/client.go
@@ -93,3 +93,21 @@ func (c APIClient) GetMembres(limit int) (membres []Membre, err error) {
 
 	return response.Data.Membres, nil
 }
+
+func (c APIClient) GetProgrammes(limit int) (programmes []Programme, err error) {
+	var request ProgrammesGETRequest
+
+	request.Query.Limit = limit
+
+	response, err := request.Request(c.Voki)
+	if err != nil {
+		return
+	}
+
+	if code, message := response.StatusCode(), response.Message; code >= 400 {
+		err = fmt.Errorf("%d: %s", code, message)
+		return
+	}
+
+	return response.Data.Programmes, nil
+}
diff --git a/client_test.go b/client_test.go
index 7a7a62d..7d3ad78 100644
--- a/client_test.go
+++ b/client_test.go
@@ -39,8 +39,6 @@ func TestAPI(t *testing.T) {
 		}
 	})
 
-	//TODO create or replace schema
-
 	t.Run("insert programmes",
 		func(t *testing.T) {
 			programmes := []Programme{
@@ -70,6 +68,15 @@ func TestAPI(t *testing.T) {
 		},
 	}
 
+	t.Run("get programmes, max 50",
+		func(t *testing.T) {
+			programmes, err := apiClient.GetProgrammes(50)
+			if err != nil {
+				t.Error(err)
+			}
+			t.Log(programmes)
+		})
+
 	t.Run("insert membres",
 		func(t *testing.T) {
 			_, err := apiClient.InsertMembres(testMembres...)
@@ -110,7 +117,6 @@ func TestAPI(t *testing.T) {
 				}
 			})
 	*/
-	//TODO get membres
 	t.Run("get membres, max 50",
 		func(t *testing.T) {
 			membres, err := apiClient.GetMembres(50)
@@ -119,6 +125,4 @@ func TestAPI(t *testing.T) {
 			}
 			t.Log(membres)
 		})
-
-	//TODO remove test membres and programmes
 }
diff --git a/db.go b/db.go
index 90d24f7..3ae7ee0 100644
--- a/db.go
+++ b/db.go
@@ -210,3 +210,44 @@ LIMIT
 		return membres, nil
 	}
 }
+
+func (d *PostgresClient) GetProgrammes(limit int) (programmes []Programme, err error) {
+	select {
+	case <-d.Ctx.Done():
+		return nil, fmt.Errorf("PostgresClient.Ctx closed: %s", d.Ctx.Err())
+	default:
+		rows, err := d.Pool.Query(d.Ctx, `
+SELECT
+  "programmes".id,
+  "programmes".name
+FROM
+  "programmes"
+ORDER BY
+  "programmes".id
+LIMIT
+  $1;
+`, limit)
+		if err != nil {
+			return nil, err
+		}
+		defer rows.Close()
+
+		for rows.Next() {
+			var programme Programme
+
+			if err = rows.Scan(
+				&programme.ID,
+				&programme.Name,
+			); err != nil {
+				return nil, err
+			}
+
+			programmes = append(programmes, programme)
+		}
+		if rows.Err() != nil {
+			return programmes, rows.Err()
+		}
+
+		return programmes, nil
+	}
+}
diff --git a/routes.go b/routes.go
index 412141a..1ec580e 100644
--- a/routes.go
+++ b/routes.go
@@ -210,5 +210,48 @@ func addRoutes(e *echo.Echo, db *PostgresClient) error {
 		}); err != nil {
 		return err
 	}
+
+	if err := pave.EchoRegister[ProgrammesGETRequest](
+		apiGroup,
+		&p,
+		apiPath,
+		http.MethodGet,
+		"/programme/",
+		"Get programmes",
+		"ProgrammesGET", func(c echo.Context) (err error) {
+			var request, response = ProgrammesGETRequest{}, ProgrammesGETResponse{}
+
+			request.Query.Limit, err = strconv.Atoi(c.QueryParam("limit"))
+			if err != nil {
+				var response voki.ResponseBadRequest
+				response.Message = fmt.Sprintf("parsing limit: %s", err)
+				return c.JSON(response.StatusCode(), response)
+			}
+
+			if !request.Complete() {
+				var response voki.ResponseBadRequest
+				response.Message = "Incomplete ProgrammesGET request received"
+				return c.JSON(response.StatusCode(), response)
+			}
+
+			response.Data.Programmes, err = db.GetProgrammes(request.Query.Limit)
+			if err != nil {
+				var response voki.ResponseBadRequest
+				response.Message = fmt.Sprintf("db: %s", err)
+				return c.JSON(response.StatusCode(), response)
+			}
+
+			if err := response.SetStatusCode(http.StatusOK); err != nil {
+				var response voki.ResponseInternalServerError
+				response.Message = fmt.Sprintf("handler: %s", err)
+				return c.JSON(response.StatusCode(), response)
+			}
+
+			response.Message = "ok"
+			return c.JSON(response.StatusCode(), response)
+
+		}); err != nil {
+		return err
+	}
 	return nil
 }