fix(errors): fix unneeded error handling

Signed-off-by: SoXX <soxx@fenpa.ws>

internal/postgres/post.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 
-	errors2 "git.dragse.it/anthrove/otter-space-sdk/pkg/errors"
+	otterError "git.dragse.it/anthrove/otter-space-sdk/pkg/error"
 
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	log "github.com/sirupsen/logrus"
@@ -14,19 +14,19 @@ import (
 func CreatePost(ctx context.Context, db *gorm.DB, anthrovePost *models.Post) error {
 
 	if anthrovePost == nil {
-		return &errors2.EntityValidationFailed{Reason: "anthrovePost is nil"}
+		return &otterError.EntityValidationFailed{Reason: "anthrovePost is nil"}
 	}
 
 	result := db.WithContext(ctx).Create(&anthrovePost)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
-			return &errors2.EntityAlreadyExists{}
+			return &otterError.EntityAlreadyExists{}
 		}
 		return result.Error
 	}
 
 	if result.RowsAffected == 0 {
-		return &errors2.NoDataWritten{}
+		return &otterError.NoDataWritten{}
 	}
 
 	log.WithFields(log.Fields{
@@ -40,18 +40,18 @@ func CreatePost(ctx context.Context, db *gorm.DB, anthrovePost *models.Post) err
 func GetPostByAnthroveID(ctx context.Context, db *gorm.DB, anthrovePostID models.AnthrovePostID) (*models.Post, error) {
 
 	if anthrovePostID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: "anthrovePostID is not set"}
+		return nil, &otterError.EntityValidationFailed{Reason: "anthrovePostID is not set"}
 	}
 
 	if len(anthrovePostID) != 25 {
-		return nil, &errors2.EntityValidationFailed{Reason: "anthrovePostID needs to be 25 characters long"}
+		return nil, &otterError.EntityValidationFailed{Reason: "anthrovePostID needs to be 25 characters long"}
 	}
 
 	var post models.Post
 	result := db.WithContext(ctx).First(&post, "id = ?", anthrovePostID)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -62,7 +62,7 @@ func GetPostByAnthroveID(ctx context.Context, db *gorm.DB, anthrovePostID models
 func GetPostByURL(ctx context.Context, db *gorm.DB, sourceURL string) (*models.Post, error) {
 
 	if sourceURL == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: "sourceURL is not set"}
+		return nil, &otterError.EntityValidationFailed{Reason: "sourceURL is not set"}
 	}
 
 	var post models.Post
@@ -70,7 +70,7 @@ func GetPostByURL(ctx context.Context, db *gorm.DB, sourceURL string) (*models.P
 
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -81,7 +81,7 @@ func GetPostByURL(ctx context.Context, db *gorm.DB, sourceURL string) (*models.P
 func GetPostBySourceID(ctx context.Context, db *gorm.DB, sourceID models.AnthroveSourceID) (*models.Post, error) {
 
 	if sourceID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: "sourceID is not set"}
+		return nil, &otterError.EntityValidationFailed{Reason: "sourceID is not set"}
 	}
 
 	var post models.Post
@@ -89,7 +89,7 @@ func GetPostBySourceID(ctx context.Context, db *gorm.DB, sourceID models.Anthrov
 
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}

internal/postgres/post_test.go

@@ -63,6 +63,15 @@ func TestCreateAnthrovePostNode(t *testing.T) {
 			},
 			wantErr: true,
 		},
+		{
+			name: "Test 3: Nill",
+			args: args{
+				ctx:          context.Background(),
+				db:           gormDB,
+				anthrovePost: nil,
+			},
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

internal/postgres/relationships.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 
-	errors2 "git.dragse.it/anthrove/otter-space-sdk/pkg/errors"
+	otterError "git.dragse.it/anthrove/otter-space-sdk/pkg/error"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	log "github.com/sirupsen/logrus"
 	"gorm.io/gorm"
@@ -14,22 +14,22 @@ func CreateReferenceBetweenPostAndSource(ctx context.Context, db *gorm.DB, anthr
 	var source models.Source
 
 	if anthrovePostID == "" {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthrovePostID) != 25 {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	if sourceDomain == "" {
-		return &errors2.EntityValidationFailed{Reason: "sourceDomain cannot be empty"}
+		return &otterError.EntityValidationFailed{Reason: "sourceDomain cannot be empty"}
 	}
 
 	// Find the source
 	result := db.WithContext(ctx).Where("domain = ?", sourceDomain).First(&source)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return &errors2.NoDataFound{}
+			return &otterError.NoDataFound{}
 		}
 		return result.Error
 	}
@@ -43,13 +43,13 @@ func CreateReferenceBetweenPostAndSource(ctx context.Context, db *gorm.DB, anthr
 
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
-			return &errors2.EntityAlreadyExists{}
+			return &otterError.EntityAlreadyExists{}
 		}
 		return result.Error
 	}
 
 	if result.RowsAffected == 0 {
-		return &errors2.NoDataWritten{}
+		return &otterError.NoDataWritten{}
 	}
 
 	log.WithFields(log.Fields{
@@ -63,15 +63,15 @@ func CreateReferenceBetweenPostAndSource(ctx context.Context, db *gorm.DB, anthr
 func CreateReferenceBetweenUserAndPost(ctx context.Context, db *gorm.DB, anthroveUserID models.AnthroveUserID, anthrovePostID models.AnthrovePostID) error {
 
 	if anthrovePostID == "" {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthrovePostID) != 25 {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	if anthroveUserID == "" {
-		return &errors2.EntityValidationFailed{Reason: "anthroveUserID cannot be empty"}
+		return &otterError.EntityValidationFailed{Reason: "anthroveUserID cannot be empty"}
 	}
 
 	userFavorite := models.UserFavorites{
@@ -82,13 +82,13 @@ func CreateReferenceBetweenUserAndPost(ctx context.Context, db *gorm.DB, anthrov
 	result := db.WithContext(ctx).Create(&userFavorite)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
-			return &errors2.EntityAlreadyExists{}
+			return &otterError.EntityAlreadyExists{}
 		}
 		return result.Error
 	}
 
 	if result.RowsAffected == 0 {
-		return &errors2.NoDataWritten{}
+		return &otterError.NoDataWritten{}
 	}
 
 	log.WithFields(log.Fields{
@@ -103,25 +103,25 @@ func CheckReferenceBetweenUserAndPost(ctx context.Context, db *gorm.DB, anthrove
 	var count int64
 
 	if anthrovePostID == "" {
-		return false, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return false, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthrovePostID) != 25 {
-		return false, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return false, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	if anthroveUserID == "" {
-		return false, &errors2.EntityValidationFailed{Reason: "anthroveUserID cannot be empty"}
+		return false, &otterError.EntityValidationFailed{Reason: "anthroveUserID cannot be empty"}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return false, &errors2.EntityValidationFailed{Reason: "anthroveUserID needs to be 25 characters long"}
+		return false, &otterError.EntityValidationFailed{Reason: "anthroveUserID needs to be 25 characters long"}
 	}
 
 	result := db.WithContext(ctx).Model(&models.UserFavorites{}).Where("user_id = ? AND post_id = ?", string(anthroveUserID), string(anthrovePostID)).Count(&count)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return false, &errors2.NoDataFound{}
+			return false, &otterError.NoDataFound{}
 		}
 		return false, result.Error
 	}

internal/postgres/relationships_test.go

@@ -3,10 +3,11 @@ package postgres
 import (
 	"context"
 	"fmt"
+	"testing"
+
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	"git.dragse.it/anthrove/otter-space-sdk/test"
 	"gorm.io/gorm"
-	"testing"
 )
 
 func TestCheckUserToPostLink(t *testing.T) {
@@ -105,6 +106,28 @@ func TestCheckUserToPostLink(t *testing.T) {
 			want:    false,
 			wantErr: true,
 		},
+		{
+			name: "Test 5: No AnthrovePostID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "",
+				anthrovePostID: "123456",
+			},
+			want:    false,
+			wantErr: true,
+		},
+		{
+			name: "Test 6: No anthrovePostID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: invalidUserID,
+				anthrovePostID: "",
+			},
+			want:    false,
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -120,7 +143,8 @@ func TestCheckUserToPostLink(t *testing.T) {
 	}
 }
 
-func TestEstablishAnthrovePostToSourceLink(t *testing.T) {
+func TestCheckUserToPostLinkWithNoData(t *testing.T) {
+
 	// Setup trow away container
 	ctx := context.Background()
 	container, gormDB, err := test.StartPostgresContainer(ctx)
@@ -130,9 +154,20 @@ func TestEstablishAnthrovePostToSourceLink(t *testing.T) {
 	defer container.Terminate(ctx)
 
 	// Setup Test
+
+	validUserID := models.AnthroveUserID(fmt.Sprintf("%025s", "User1"))
+	invalidUserID := models.AnthroveUserID("XXX")
+
+	validPostID := models.AnthrovePostID(fmt.Sprintf("%025s", "Post1"))
+
+	err = CreateUser(ctx, gormDB, validUserID)
+	if err != nil {
+		t.Fatal(err)
+	}
+
 	post := &models.Post{
 		BaseModel: models.BaseModel[models.AnthrovePostID]{
-			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
+			ID: validPostID,
 		},
 		Rating: "safe",
 	}
@@ -142,12 +177,7 @@ func TestEstablishAnthrovePostToSourceLink(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	source := &models.Source{
-		DisplayName: "e621",
-		Domain:      "e621.net",
-		Icon:        "icon.e621.net",
-	}
-	err = CreateSource(ctx, gormDB, source)
+	err = CreateReferenceBetweenUserAndPost(ctx, gormDB, validUserID, post.ID)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -156,60 +186,91 @@ func TestEstablishAnthrovePostToSourceLink(t *testing.T) {
 	type args struct {
 		ctx            context.Context
 		db             *gorm.DB
+		anthroveUserID models.AnthroveUserID
 		anthrovePostID models.AnthrovePostID
-		sourceDomain             models.AnthroveSourceDomain
-		anthrovePostRelationship *models.PostReference
 	}
 	tests := []struct {
 		name    string
 		args    args
+		want    bool
 		wantErr bool
 	}{
 		{
-			name: "Test 1: Valid AnthrovePostID and anthroveSourceDomain",
+			name: "Test 1: Valid AnthroveUserID and AnthrovePostID",
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
+				anthroveUserID: validUserID,
 				anthrovePostID: post.ID,
-				sourceDomain:   "e621.net",
 			},
+			want:    true,
 			wantErr: false,
 		},
 		{
-			name: "Test 2: Invalid AnthrovePostID and Valid anthroveSourceDomain",
+			name: "Test 2: Valid AnthroveUserID and invalid AnthrovePostID",
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
+				anthroveUserID: validUserID,
+				anthrovePostID: "qadw",
+			},
+			want:    false,
+			wantErr: true,
+		},
+		{
+			name: "Test 3: Valid AnthrovePostID and invalid AnthroveUserID",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: invalidUserID,
+				anthrovePostID: post.ID,
+			},
+			want:    false,
+			wantErr: true,
+		},
+		{
+			name: "Test 4: Invalid AnthrovePostID and invalid AnthroveUserID",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: invalidUserID,
 				anthrovePostID: "123456",
-				sourceDomain:   "e621.net",
 			},
+			want:    false,
 			wantErr: true,
 		},
 		{
-			name: "Test 3: Invalid anthroveSourceDomain and Valid AnthrovePostID",
+			name: "Test 5: No AnthrovePostID given",
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
-				anthrovePostID: "1234",
-				sourceDomain:   "fa.banana",
+				anthroveUserID: "",
+				anthrovePostID: "123456",
 			},
+			want:    false,
 			wantErr: true,
 		},
 		{
-			name: "Test 4: Invalid anthroveSourceDomain and Invalid AnthrovePostID",
+			name: "Test 6: No anthrovePostID given",
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
-				anthrovePostID: "696969",
-				sourceDomain:   "hehe.funny.number",
+				anthroveUserID: invalidUserID,
+				anthrovePostID: "",
 			},
+			want:    false,
 			wantErr: true,
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if err := CreateReferenceBetweenPostAndSource(tt.args.ctx, tt.args.db, tt.args.anthrovePostID, tt.args.sourceDomain); (err != nil) != tt.wantErr {
-				t.Errorf("CreateReferenceBetweenPostAndSource() error = %v, wantErr %v", err, tt.wantErr)
+			got, err := CheckReferenceBetweenUserAndPost(tt.args.ctx, tt.args.db, tt.args.anthroveUserID, tt.args.anthrovePostID)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("CheckReferenceBetweenUserAndPost() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("CheckReferenceBetweenUserAndPost() got = %v, want %v", got, tt.want)
 			}
 		})
 	}
@@ -300,6 +361,26 @@ func TestEstablishUserToPostLink(t *testing.T) {
 			},
 			wantErr: true,
 		},
+		{
+			name: "Test 5: AnthrovePostID is empty",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: invalidUserID,
+				anthrovePostID: "",
+			},
+			wantErr: true,
+		},
+		{
+			name: "Test 6: anthroveUserID is empty",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "",
+				anthrovePostID: validPostID,
+			},
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

internal/postgres/source.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 
-	errors2 "git.dragse.it/anthrove/otter-space-sdk/pkg/errors"
+	otterError "git.dragse.it/anthrove/otter-space-sdk/pkg/error"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 
 	log "github.com/sirupsen/logrus"
@@ -15,20 +15,20 @@ import (
 func CreateSource(ctx context.Context, db *gorm.DB, anthroveSource *models.Source) error {
 
 	if anthroveSource.Domain == "" {
-		return &errors2.EntityValidationFailed{Reason: "Domain is required"}
+		return &otterError.EntityValidationFailed{Reason: "Domain is required"}
 	}
 
 	result := db.WithContext(ctx).Where(models.Source{Domain: anthroveSource.Domain}).FirstOrCreate(anthroveSource)
 
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
-			return &errors2.EntityAlreadyExists{}
+			return &otterError.EntityAlreadyExists{}
 		}
 		return result.Error
 	}
 
 	if result.RowsAffected == 0 {
-		return &errors2.NoDataWritten{}
+		return &otterError.NoDataWritten{}
 	}
 
 	log.WithFields(log.Fields{
@@ -48,7 +48,7 @@ func GetAllSource(ctx context.Context, db *gorm.DB) ([]models.Source, error) {
 
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -65,14 +65,14 @@ func GetSourceByDomain(ctx context.Context, db *gorm.DB, sourceDomain models.Ant
 	var sources models.Source
 
 	if sourceDomain == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: "AnthroveSourceDomain is not set"}
+		return nil, &otterError.EntityValidationFailed{Reason: "AnthroveSourceDomain is not set"}
 	}
 
 	result := db.WithContext(ctx).Where("domain = ?", sourceDomain).First(&sources)
 
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}

internal/postgres/source_test.go

@@ -3,10 +3,11 @@ package postgres
 import (
 	"context"
 	"fmt"
+	"testing"
+
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	"git.dragse.it/anthrove/otter-space-sdk/test"
 	"gorm.io/gorm"
-	"testing"
 )
 
 func TestCreateSourceNode(t *testing.T) {
@@ -30,6 +31,12 @@ func TestCreateSourceNode(t *testing.T) {
 	}
 
 	invalidSource := &models.Source{
+		BaseModel: models.BaseModel[models.AnthroveSourceID]{ID: validPostID},
+		Domain:    "notfound.intern",
+	}
+
+	invalidSourceDomain := &models.Source{
+		BaseModel: models.BaseModel[models.AnthroveSourceID]{ID: validPostID},
 		Domain:    "",
 	}
 
@@ -58,7 +65,7 @@ func TestCreateSourceNode(t *testing.T) {
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
-				anthroveSource: invalidSource,
+				anthroveSource: invalidSourceDomain,
 			},
 			wantErr: true,
 		},
@@ -67,7 +74,7 @@ func TestCreateSourceNode(t *testing.T) {
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
-				anthroveSource: validSource,
+				anthroveSource: invalidSource,
 			},
 			wantErr: true,
 		},

internal/postgres/tag.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 
-	errors2 "git.dragse.it/anthrove/otter-space-sdk/pkg/errors"
+	otterError "git.dragse.it/anthrove/otter-space-sdk/pkg/error"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	log "github.com/sirupsen/logrus"
 	"gorm.io/gorm"
@@ -13,19 +13,19 @@ import (
 func CreateTag(ctx context.Context, db *gorm.DB, tag *models.Tag) error {
 
 	if tag == nil {
-		return &errors2.EntityValidationFailed{Reason: "Tag is nil"}
+		return &otterError.EntityValidationFailed{Reason: "Tag is nil"}
 	}
 
-	result := db.WithContext(ctx).Where(tag).Create(tag)
+	result := db.WithContext(ctx).Create(tag)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
-			return &errors2.EntityAlreadyExists{}
+			return &otterError.EntityAlreadyExists{}
 		}
 		return result.Error
 	}
 
 	if result.RowsAffected == 0 {
-		return &errors2.NoDataWritten{}
+		return &otterError.NoDataWritten{}
 	}
 
 	log.WithFields(log.Fields{
@@ -39,15 +39,15 @@ func CreateTag(ctx context.Context, db *gorm.DB, tag *models.Tag) error {
 func CreateTagAndReferenceToPost(ctx context.Context, db *gorm.DB, anthrovePostID models.AnthrovePostID, tag *models.Tag) error {
 
 	if anthrovePostID == "" {
-		return &errors2.EntityValidationFailed{Reason: "anthrovePostID cannot be empty"}
+		return &otterError.EntityValidationFailed{Reason: "anthrovePostID cannot be empty"}
 	}
 
 	if len(anthrovePostID) != 25 {
-		return &errors2.EntityValidationFailed{Reason: "anthrovePostID needs to be 25 characters long"}
+		return &otterError.EntityValidationFailed{Reason: "anthrovePostID needs to be 25 characters long"}
 	}
 
 	if tag == nil {
-		return &errors2.EntityValidationFailed{Reason: "Tag is nil"}
+		return &otterError.EntityValidationFailed{Reason: "Tag is nil"}
 	}
 
 	pgPost := models.Post{
@@ -59,9 +59,9 @@ func CreateTagAndReferenceToPost(ctx context.Context, db *gorm.DB, anthrovePostI
 	err := db.WithContext(ctx).Model(&pgPost).Association("Tags").Append(tag)
 	if err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
-			return &errors2.NoDataFound{}
+			return &otterError.NoDataFound{}
 		}
-		return errors.Join(err, &errors2.NoRelationCreated{})
+		return errors.Join(err, &otterError.NoRelationCreated{})
 	}
 
 	log.WithFields(log.Fields{
@@ -77,10 +77,9 @@ func GetTags(ctx context.Context, db *gorm.DB) ([]models.Tag, error) {
 	var tags []models.Tag
 
 	result := db.WithContext(ctx).Find(&tags)
-
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}

internal/postgres/tag_test.go

@@ -3,10 +3,11 @@ package postgres
 import (
 	"context"
 	"fmt"
+	"testing"
+
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	"git.dragse.it/anthrove/otter-space-sdk/test"
 	"gorm.io/gorm"
-	"testing"
 )
 
 func TestCreateTagNodeWitRelation(t *testing.T) {
@@ -54,7 +55,7 @@ func TestCreateTagNodeWitRelation(t *testing.T) {
 			args: args{
 				ctx:    ctx,
 				db:     gormDB,
-				PostID: models.AnthrovePostID(post.ID),
+				PostID: post.ID,
 				tag:    tag,
 			},
 			wantErr: false,
@@ -64,7 +65,7 @@ func TestCreateTagNodeWitRelation(t *testing.T) {
 			args: args{
 				ctx:    ctx,
 				db:     gormDB,
-				PostID: models.AnthrovePostID(post.ID),
+				PostID: post.ID,
 				tag:    nil,
 			},
 			wantErr: true,
@@ -180,3 +181,68 @@ func checkTag(got []models.Tag, want []models.Tag) bool {
 	return true
 
 }
+
+func TestCreateTag(t *testing.T) {
+	// Setup trow away container
+	ctx := context.Background()
+	container, gormDB, err := test.StartPostgresContainer(ctx)
+	if err != nil {
+		t.Fatalf("Could not start PostgreSQL container: %v", err)
+	}
+	defer container.Terminate(ctx)
+
+	// Setup Test
+	validTag := models.Tag{
+		Name: "JayTheFerret",
+		Type: "artist",
+	}
+
+	invalidTag := models.Tag{}
+
+	// Test
+	type args struct {
+		ctx context.Context
+		db  *gorm.DB
+		tag *models.Tag
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "Test 1: Valid Tag",
+			args: args{
+				ctx: ctx,
+				db:  gormDB,
+				tag: &validTag,
+			},
+			wantErr: false,
+		},
+		{
+			name: "Test 2: Duplicate Tag",
+			args: args{
+				ctx: ctx,
+				db:  gormDB,
+				tag: &validTag,
+			},
+			wantErr: true,
+		},
+		{
+			name: "Test 3: Invalid Tag",
+			args: args{
+				ctx: ctx,
+				db:  gormDB,
+				tag: &invalidTag,
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := CreateTag(tt.args.ctx, tt.args.db, tt.args.tag); (err != nil) != tt.wantErr {
+				t.Errorf("CreateTag() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}

internal/postgres/user.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 
-	errors2 "git.dragse.it/anthrove/otter-space-sdk/pkg/errors"
+	otterError "git.dragse.it/anthrove/otter-space-sdk/pkg/error"
 	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
 	log "github.com/sirupsen/logrus"
 	"gorm.io/gorm"
@@ -13,11 +13,11 @@ import (
 func CreateUser(ctx context.Context, db *gorm.DB, anthroveUserID models.AnthroveUserID) error {
 
 	if anthroveUserID == "" {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	user := models.User{
@@ -28,8 +28,9 @@ func CreateUser(ctx context.Context, db *gorm.DB, anthroveUserID models.Anthrove
 
 	result := db.WithContext(ctx).FirstOrCreate(&user)
 	if result.Error != nil {
+
 		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
-			return &errors2.EntityAlreadyExists{}
+			return &otterError.EntityAlreadyExists{}
 		}
 		return result.Error
 	}
@@ -40,19 +41,19 @@ func CreateUser(ctx context.Context, db *gorm.DB, anthroveUserID models.Anthrove
 func CreateUserWithRelationToSource(ctx context.Context, db *gorm.DB, anthroveUserID models.AnthroveUserID, sourceID models.AnthroveSourceID, accountId string, accountUsername string) error {
 
 	if anthroveUserID == "" {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	if accountId == "" {
-		return &errors2.EntityValidationFailed{Reason: "accountID cannot be empty"}
+		return &otterError.EntityValidationFailed{Reason: "accountID cannot be empty"}
 	}
 
 	if accountUsername == "" {
-		return &errors2.EntityValidationFailed{Reason: "accountUsername cannot be empty"}
+		return &otterError.EntityValidationFailed{Reason: "accountUsername cannot be empty"}
 	}
 
 	err := CreateUser(ctx, db, anthroveUserID)
@@ -67,7 +68,7 @@ func CreateUserWithRelationToSource(ctx context.Context, db *gorm.DB, anthroveUs
 	result := db.WithContext(ctx).Where(&source).First(&source)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return &errors2.NoDataFound{}
+			return &otterError.NoDataFound{}
 		}
 		return result.Error
 	}
@@ -82,11 +83,11 @@ func CreateUserWithRelationToSource(ctx context.Context, db *gorm.DB, anthroveUs
 
 	result = db.WithContext(ctx).FirstOrCreate(&userSource)
 	if result.Error != nil {
-		return errors.Join(result.Error, &errors2.NoRelationCreated{})
+		return errors.Join(result.Error, &otterError.NoRelationCreated{})
 	}
 
 	if result.RowsAffected == 0 {
-		return &errors2.NoDataWritten{}
+		return &otterError.NoDataWritten{}
 	}
 
 	log.WithFields(log.Fields{
@@ -103,17 +104,17 @@ func GetUserFavoritesCount(ctx context.Context, db *gorm.DB, anthroveUserID mode
 	var count int64
 
 	if anthroveUserID == "" {
-		return 0, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return 0, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return 0, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return 0, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	result := db.WithContext(ctx).Model(&models.UserFavorites{}).Where("user_id = ?", string(anthroveUserID)).Count(&count)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return 0, &errors2.NoDataFound{}
+			return 0, &otterError.NoDataFound{}
 		}
 		return 0, result.Error
 	}
@@ -131,17 +132,17 @@ func GetUserSourceLinks(ctx context.Context, db *gorm.DB, anthroveUserID models.
 	userSourceMap := make(map[string]models.UserSource)
 
 	if anthroveUserID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	result := db.WithContext(ctx).Model(&models.UserSource{}).Where("user_id = ?", string(anthroveUserID)).Find(&userSources)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -151,7 +152,7 @@ func GetUserSourceLinks(ctx context.Context, db *gorm.DB, anthroveUserID models.
 		result = db.WithContext(ctx).Model(&models.Source{}).Where("id = ?", userSource.SourceID).First(&source)
 		if result.Error != nil {
 			if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-				return nil, &errors2.NoDataFound{}
+				return nil, &otterError.NoDataFound{}
 			}
 			return nil, result.Error
 		}
@@ -179,25 +180,25 @@ func GetUserSourceBySourceID(ctx context.Context, db *gorm.DB, anthroveUserID mo
 	userSourceMap := make(map[string]models.UserSource)
 
 	if anthroveUserID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	if sourceID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: "sourceID cannot be empty"}
+		return nil, &otterError.EntityValidationFailed{Reason: "sourceID cannot be empty"}
 	}
 
 	if len(sourceID) != 25 {
-		return nil, &errors2.EntityValidationFailed{Reason: "sourceID needs to be 25 characters long"}
+		return nil, &otterError.EntityValidationFailed{Reason: "sourceID needs to be 25 characters long"}
 	}
 
 	result := db.WithContext(ctx).Model(&models.UserSource{}).InnerJoins("Source", db.Where("id = ?", sourceID)).Where("user_id = ?", string(anthroveUserID)).First(&userSources)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -207,7 +208,7 @@ func GetUserSourceBySourceID(ctx context.Context, db *gorm.DB, anthroveUserID mo
 		result = db.WithContext(ctx).Model(&models.Source{}).Where("id = ?", userSource.SourceID).First(&source)
 		if result.Error != nil {
 			if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-				return nil, &errors2.NoDataFound{}
+				return nil, &otterError.NoDataFound{}
 			}
 			return nil, result.Error
 		}
@@ -238,7 +239,7 @@ func GetAllAnthroveUserIDs(ctx context.Context, db *gorm.DB) ([]models.AnthroveU
 	result := db.WithContext(ctx).Model(&models.User{}).Find(&users)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -259,17 +260,17 @@ func GetUserFavoriteWithPagination(ctx context.Context, db *gorm.DB, anthroveUse
 	var favoritePosts []models.Post
 
 	if anthroveUserID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	err := db.WithContext(ctx).Model(&models.UserFavorites{}).Where("user_id = ?", string(anthroveUserID)).Offset(skip).Limit(limit).Find(&userFavorites).Error
 	if err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, err
 	}
@@ -279,7 +280,7 @@ func GetUserFavoriteWithPagination(ctx context.Context, db *gorm.DB, anthroveUse
 		err = db.WithContext(ctx).Model(&models.Post{}).Where("id = ?", userFavorite.PostID).First(&post).Error
 		if err != nil {
 			if errors.Is(err, gorm.ErrRecordNotFound) {
-				return nil, &errors2.NoDataFound{}
+				return nil, &otterError.NoDataFound{}
 			}
 			return nil, err
 		}
@@ -303,17 +304,17 @@ func GetUserTagWitRelationToFavedPosts(ctx context.Context, db *gorm.DB, anthrov
 	var userFavorites []models.UserFavorites
 
 	if anthroveUserID == "" {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDIsEmpty}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDIsEmpty}
 	}
 
 	if len(anthroveUserID) != 25 {
-		return nil, &errors2.EntityValidationFailed{Reason: errors2.AnthroveUserIDToShort}
+		return nil, &otterError.EntityValidationFailed{Reason: otterError.AnthroveUserIDToShort}
 	}
 
 	result := db.WithContext(ctx).Where("user_id = ?", string(anthroveUserID)).Find(&userFavorites)
 	if result.Error != nil {
 		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-			return nil, &errors2.NoDataFound{}
+			return nil, &otterError.NoDataFound{}
 		}
 		return nil, result.Error
 	}
@@ -325,10 +326,13 @@ func GetUserTagWitRelationToFavedPosts(ctx context.Context, db *gorm.DB, anthrov
 
 	for _, userFavorite := range userFavorites {
 		var post models.Post
-		result = db.WithContext(ctx).Preload("Tags").First(&post, "id = ?", userFavorite.PostID)
+		result = db.WithContext(ctx).Preload("Tags", func(db *gorm.DB) *gorm.DB {
+			return db.Order("tag_type ASC")
+		}).First(&post, "id = ?", userFavorite.PostID)
+
 		if result.Error != nil {
 			if errors.Is(result.Error, gorm.ErrRecordNotFound) {
-				return nil, &errors2.NoDataFound{}
+				return nil, &otterError.NoDataFound{}
 			}
 			return nil, result.Error
 		}

internal/postgres/user_test.go

@@ -54,6 +54,15 @@ func TestCreateUser(t *testing.T) {
 			},
 			wantErr: true,
 		},
+		{
+			name: "Test 3: No anthroveUserID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "",
+			},
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -347,7 +356,7 @@ func TestGetUserSourceBySourceID(t *testing.T) {
 			wantErr: true,
 		},
 		{
-			name: "Test 5: Valid AnthroveUserID and No SourceDisplayName",
+			name: "Test 5: Valid AnthroveUserID and No anthroveUserID",
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
@@ -358,7 +367,7 @@ func TestGetUserSourceBySourceID(t *testing.T) {
 			wantErr: true,
 		},
 		{
-			name: "Test 6: No AnthroveUserID and No SourceDisplayName",
+			name: "Test 6: No AnthroveUserID and No anthroveUserID",
 			args: args{
 				ctx:            ctx,
 				db:             gormDB,
@@ -368,6 +377,17 @@ func TestGetUserSourceBySourceID(t *testing.T) {
 			want:    nil,
 			wantErr: true,
 		},
+		{
+			name: "Test 7: No anthroveUserID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: validUserID,
+				sourceID:       "",
+			},
+			want:    nil,
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -505,6 +525,30 @@ func TestGetUserFavoriteNodeWithPagination(t *testing.T) {
 			want:    expectedResult3,
 			wantErr: false,
 		},
+		{
+			name: "Test 4: No anthroveUserID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "",
+				skip:           0,
+				limit:          3,
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "Test 5: Short anthroveUserID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "aaa",
+				skip:           0,
+				limit:          3,
+			},
+			want:    nil,
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -663,7 +707,7 @@ func TestGetUserSourceLinks(t *testing.T) {
 	}
 	err = CreateSource(ctx, gormDB, eSource)
 	if err != nil {
-		t.Fatal(err)
+		t.Fatal("Create Source e621:", err)
 	}
 
 	faSource := &models.Source{
@@ -673,7 +717,7 @@ func TestGetUserSourceLinks(t *testing.T) {
 	}
 	err = CreateSource(ctx, gormDB, faSource)
 	if err != nil {
-		t.Fatal(err)
+		t.Fatal("Create Source fa:", err)
 	}
 
 	expectedResult := make(map[string]models.UserSource)
@@ -696,11 +740,11 @@ func TestGetUserSourceLinks(t *testing.T) {
 
 	err = CreateUserWithRelationToSource(ctx, gormDB, validAnthroveUserID, eSource.ID, expectedResult["e621"].UserID, expectedResult["e621"].AccountUsername)
 	if err != nil {
-		t.Fatal(err)
+		t.Fatal("CreateUserWithRelationToSource e621:", err)
 	}
 	err = CreateUserWithRelationToSource(ctx, gormDB, validAnthroveUserID, faSource.ID, expectedResult["fa"].UserID, expectedResult["fa"].AccountUsername)
 	if err != nil {
-		t.Fatal(err)
+		t.Fatal("CreateUserWithRelationToSource fa:", err)
 	}
 
 	// Test
@@ -725,6 +769,26 @@ func TestGetUserSourceLinks(t *testing.T) {
 			want:    expectedResult,
 			wantErr: false,
 		},
+		{
+			name: "Test 3: No AnthroveID",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "",
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "Test 1: AnthroveID to short",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "aaa",
+			},
+			want:    nil,
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -772,7 +836,7 @@ func TestGetUserTagNodeWitRelationToFavedPosts(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
-		err = CreateReferenceBetweenUserAndPost(ctx, gormDB, validAnthroveUserID, models.AnthrovePostID(post.ID))
+		err = CreateReferenceBetweenUserAndPost(ctx, gormDB, validAnthroveUserID, post.ID)
 		if err != nil {
 			t.Fatal(err)
 		}
@@ -837,6 +901,26 @@ func TestGetUserTagNodeWitRelationToFavedPosts(t *testing.T) {
 			want:    expectedResult,
 			wantErr: false,
 		},
+		{
+			name: "Test 2: No anthroveUserID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "",
+			},
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "Test 3: short anthroveUserID given",
+			args: args{
+				ctx:            ctx,
+				db:             gormDB,
+				anthroveUserID: "aaa",
+			},
+			want:    nil,
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

pkg/error/database.go

@@ -1,4 +1,4 @@
-package errors
+package error
 
 type EntityAlreadyExists struct{}
 

pkg/error/validation.go

@@ -1,4 +1,4 @@
-package errors
+package error
 
 import "fmt"