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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "log/slog" | ||
|
|
||
| "github.com/PeerDB-io/peer-flow/generated/protos" | ||
| "github.com/PeerDB-io/peer-flow/tags" | ||
| ) | ||
|
|
||
| func (h *FlowRequestHandler) flowExists(ctx context.Context, flowName string) (bool, error) { | ||
| var exists bool | ||
| err := h.pool.QueryRow(ctx, "SELECT EXISTS(SELECT 1 FROM flows WHERE name = $1)", flowName).Scan(&exists) | ||
| if err != nil { | ||
| slog.Error("error checking if flow exists", slog.Any("error", err)) | ||
| return false, err | ||
| } | ||
|
|
||
| slog.Info(fmt.Sprintf("flow %s exists: %t", flowName, exists)) | ||
| return exists, nil | ||
| } | ||
|
|
||
| func (h *FlowRequestHandler) CreateOrReplaceFlowTags( | ||
| ctx context.Context, | ||
| in *protos.CreateOrReplaceFlowTagsRequest, | ||
| ) (*protos.CreateOrReplaceFlowTagsResponse, error) { | ||
| flowName := in.FlowName | ||
|
|
||
| exists, err := h.flowExists(ctx, flowName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if !exists { | ||
| slog.Error("flow does not exist", slog.String("flow_name", flowName)) | ||
| return nil, fmt.Errorf("flow %s does not exist", flowName) | ||
| } | ||
|
|
||
| tags := make(map[string]string, len(in.Tags)) | ||
| for _, tag := range in.Tags { | ||
| tags[tag.Key] = tag.Value | ||
| } | ||
|
|
||
| _, err = h.pool.Exec(ctx, "UPDATE flows SET tags = $1 WHERE name = $2", tags, flowName) | ||
| if err != nil { | ||
| slog.Error("error updating flow tags", slog.Any("error", err)) | ||
| return nil, err | ||
| } | ||
|
|
||
| return &protos.CreateOrReplaceFlowTagsResponse{ | ||
| FlowName: flowName, | ||
| }, nil | ||
| } | ||
|
|
||
| func (h *FlowRequestHandler) GetFlowTags(ctx context.Context, in *protos.GetFlowTagsRequest) (*protos.GetFlowTagsResponse, error) { | ||
| flowName := in.FlowName | ||
|
|
||
| exists, err := h.flowExists(ctx, flowName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if !exists { | ||
| slog.Error("flow does not exist", slog.String("flow_name", flowName)) | ||
| return nil, fmt.Errorf("flow %s does not exist", flowName) | ||
| } | ||
|
|
||
| tags, err := tags.GetTags(ctx, h.pool, flowName) | ||
| if err != nil { | ||
| slog.Error("error getting flow tags", slog.Any("error", err)) | ||
| return nil, err | ||
| } | ||
|
|
||
| protosTags := make([]*protos.FlowTag, 0, len(tags)) | ||
| for key, value := range tags { | ||
| protosTags = append(protosTags, &protos.FlowTag{Key: key, Value: value}) | ||
| } | ||
|
|
||
| return &protos.GetFlowTagsResponse{ | ||
| FlowName: flowName, | ||
| Tags: protosTags, | ||
| }, nil | ||
| } |
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