fix(backend/db): set status code 200 when no error in handleDBError

backend/db/db.go

@@ -2,11 +2,13 @@ package db
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net/http"
 	"time"
 
 	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
 	"github.com/jackc/pgx/v5/pgxpool"
 )
 
@@ -48,3 +50,30 @@ func transaction(handler func(context.Context, pgx.Tx) (statusCode int, err erro
 	}
 	return
 }
+
+// Handle database error
+func handleDBError(errIn error) (statusCode int, err error) {
+	if errIn == nil {
+		statusCode = http.StatusOK
+		return
+	}
+	if errors.Is(errIn, pgx.ErrNoRows) {
+		err = fmt.Errorf("not found")
+		statusCode = http.StatusNotFound
+		return
+	}
+	var pgErr *pgconn.PgError
+	if errors.As(errIn, &pgErr) {
+		switch pgErr.Code {
+		case "22P02", "22007": // Invalid data format
+			err = fmt.Errorf("%s", pgErr.Message)
+			statusCode = http.StatusBadRequest
+			return
+		case "23505": // Unique constraint violation
+			err = fmt.Errorf("already exists")
+			statusCode = http.StatusConflict
+			return
+		}
+	}
+	return http.StatusInternalServerError, errIn
+}

backend/models/models.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"encoding/json"
 	"time"
 
 	"github.com/jackc/pgx/v5/pgtype"
@@ -8,7 +9,7 @@ import (
 
 type User struct {
 	Name    string `json:"name"`
-	IsAdmin bool   `json:"is_admin"`
+	IsAdmin bool   `json:"isAdmin"`
 }
 
 type MIME struct {
@@ -16,50 +17,95 @@ type MIME struct {
 	Extension string `json:"extension"`
 }
 
-type Category struct {
-	ID        string      `json:"id"`
-	Name      string      `json:"name"`
-	Color     pgtype.Text `json:"color"`
-	CreatedAt time.Time   `json:"created_at"`
-	Creator   User        `json:"creator"`
-}
+type (
+	CategoryCore struct {
+		ID    string      `json:"id"`
+		Name  string      `json:"name"`
+		Color pgtype.Text `json:"color"`
+	}
+	CategoryItem struct {
+		CategoryCore
+	}
+	CategoryFull struct {
+		CategoryCore
+		CreatedAt time.Time   `json:"createdAt"`
+		Creator   User        `json:"creator"`
+		Notes     pgtype.Text `json:"notes"`
+	}
+)
 
-type File struct {
-	ID        string      `json:"id"`
-	Name      pgtype.Text `json:"name"`
-	MIME      MIME        `json:"mime"`
-	CreatedAt time.Time   `json:"created_at"`
-	Creator   User        `json:"creator"`
-}
+type (
+	FileCore struct {
+		ID   string      `json:"id"`
+		Name pgtype.Text `json:"name"`
+		MIME MIME        `json:"mime"`
+	}
+	FileItem struct {
+		FileCore
+		CreatedAt time.Time `json:"createdAt"`
+		Creator   User      `json:"creator"`
+	}
+	FileFull struct {
+		FileCore
+		CreatedAt time.Time        `json:"createdAt"`
+		Creator   User             `json:"creator"`
+		Notes     pgtype.Text      `json:"notes"`
+		Metadata  *json.RawMessage `json:"metadata"`
+		Tags      []TagCore        `json:"tags"`
+		Viewed    int              `json:"viewed"`
+	}
+)
 
-type Tag struct {
-	ID        string      `json:"id"`
-	Name      string      `json:"name"`
-	Color     pgtype.Text `json:"color"`
-	Category  Category    `json:"category"`
-	CreatedAt time.Time   `json:"created_at"`
-	Creator   User        `json:"creator"`
-}
+type (
+	TagCore struct {
+		ID    string      `json:"id"`
+		Name  string      `json:"name"`
+		Color pgtype.Text `json:"color"`
+	}
+	TagItem struct {
+		TagCore
+		Category CategoryCore `json:"category"`
+	}
+	TagFull struct {
+		TagCore
+		Category  CategoryCore `json:"category"`
+		CreatedAt time.Time    `json:"createdAt"`
+		Creator   User         `json:"creator"`
+		Notes     pgtype.Text  `json:"notes"`
+		UsedIncl  int          `json:"usedIncl"`
+		UsedExcl  int          `json:"usedExcl"`
+	}
+)
 
 type Autotag struct {
-	TriggerTag Tag  `json:"trigger_tag"`
-	AddTag     Tag  `json:"add_tag"`
-	IsActive   bool `json:"is_active"`
+	TriggerTag TagCore `json:"triggerTag"`
+	AddTag     TagCore `json:"addTag"`
+	IsActive   bool    `json:"isActive"`
 }
 
-type Pool struct {
-	ID        string    `json:"id"`
-	Name      string    `json:"name"`
-	CreatedAt time.Time `json:"created_at"`
-	Creator   User      `json:"creator"`
-}
+type (
+	PoolCore struct {
+		ID   string `json:"id"`
+		Name string `json:"name"`
+	}
+	PoolItem struct {
+		PoolCore
+	}
+	PoolFull struct {
+		PoolCore
+		CreatedAt time.Time   `json:"createdAt"`
+		Creator   User        `json:"creator"`
+		Notes     pgtype.Text `json:"notes"`
+		Viewed    int         `json:"viewed"`
+	}
+)
 
 type Session struct {
 	ID           int       `json:"id"`
-	UserAgent    string    `json:"user_agent"`
-	StartedAt    time.Time `json:"started_at"`
-	ExpiresAt    time.Time `json:"expires_at"`
-	LastActivity time.Time `json:"last_activity"`
+	UserAgent    string    `json:"userAgent"`
+	StartedAt    time.Time `json:"startedAt"`
+	ExpiresAt    time.Time `json:"expiresAt"`
+	LastActivity time.Time `json:"lastActivity"`
 }
 
 type Pagination struct {

database/create-schema.sql

@@ -80,6 +80,20 @@ CREATE EXTENSION IF NOT EXISTS "uuid-ossp" WITH SCHEMA public;
 COMMENT ON EXTENSION "uuid-ossp" IS 'generate universally unique identifiers (UUIDs)';
 
 
+--
+-- Name: uuid_extract_timestamp(uuid); Type: FUNCTION; Schema: public; Owner: -
+--
+
+CREATE FUNCTION public.uuid_extract_timestamp(uuid_val uuid) RETURNS timestamp with time zone
+    LANGUAGE sql IMMUTABLE
+    AS $$
+    SELECT to_timestamp(
+        ('x' || LEFT(REPLACE(uuid_val::TEXT, '-', ''), 12))::BIT(48)::BIGINT
+        / 1000.0
+    );
+$$;
+
+
 --
 -- Name: uuid_v7(timestamp with time zone); Type: FUNCTION; Schema: public; Owner: -
 --
@@ -290,7 +304,7 @@ CREATE TABLE data.files (
     mime_id smallint NOT NULL,
     datetime timestamp with time zone DEFAULT clock_timestamp() NOT NULL,
     notes text,
-    metadata jsonb NOT NULL,
+    metadata jsonb,
     creator_id smallint NOT NULL
 );