mirror of
https://github.com/wavetermdev/waveterm.git
synced 2024-12-22 16:48:23 +01:00
486 lines
16 KiB
Go
486 lines
16 KiB
Go
// Copyright 2024, Command Line Inc.
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// SPDX-License-Identifier: Apache-2.0
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package wshserver
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// this file contains the implementation of the wsh server methods
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io/fs"
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"log"
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"strings"
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"time"
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"github.com/shirou/gopsutil/v4/cpu"
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"github.com/wavetermdev/thenextwave/pkg/blockcontroller"
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"github.com/wavetermdev/thenextwave/pkg/eventbus"
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"github.com/wavetermdev/thenextwave/pkg/filestore"
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"github.com/wavetermdev/thenextwave/pkg/waveai"
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"github.com/wavetermdev/thenextwave/pkg/waveobj"
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"github.com/wavetermdev/thenextwave/pkg/wcore"
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"github.com/wavetermdev/thenextwave/pkg/wps"
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"github.com/wavetermdev/thenextwave/pkg/wshrpc"
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"github.com/wavetermdev/thenextwave/pkg/wshrpc/wshclient"
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"github.com/wavetermdev/thenextwave/pkg/wshutil"
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"github.com/wavetermdev/thenextwave/pkg/wstore"
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)
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const SimpleId_This = "this"
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type WshServer struct{}
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func (*WshServer) WshServerImpl() {}
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var WshServerImpl = WshServer{}
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func (ws *WshServer) TestCommand(ctx context.Context, data string) error {
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defer func() {
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if r := recover(); r != nil {
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log.Printf("panic in TestCommand: %v", r)
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}
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}()
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rpcSource := wshutil.GetRpcSourceFromContext(ctx)
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log.Printf("TEST src:%s | %s\n", rpcSource, data)
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if rpcSource == "" {
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return nil
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}
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go func() {
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mainClient := GetMainRpcClient()
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wshclient.MessageCommand(mainClient, wshrpc.CommandMessageData{Message: "test message"}, &wshrpc.RpcOpts{NoResponse: true, Route: rpcSource})
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resp, err := wshclient.RemoteFileInfoCommand(mainClient, "~/work/wails/thenextwave/README.md", &wshrpc.RpcOpts{Route: rpcSource})
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if err != nil {
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log.Printf("error getting remote file info: %v", err)
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return
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}
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log.Printf("remote file info: %#v\n", resp)
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rch := wshclient.RemoteStreamFileCommand(mainClient, wshrpc.CommandRemoteStreamFileData{Path: "~/work/wails/thenextwave/README.md"}, &wshrpc.RpcOpts{Route: rpcSource})
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for msg := range rch {
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if msg.Error != nil {
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log.Printf("error in stream: %v", msg.Error)
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break
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}
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if msg.Response.FileInfo != nil {
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log.Printf("stream resp (fileinfo): %v\n", msg.Response.FileInfo)
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}
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if msg.Response.Data64 != "" {
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log.Printf("stream resp (data): %v\n", len(msg.Response.Data64))
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}
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}
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}()
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return nil
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}
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// for testing
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func (ws *WshServer) MessageCommand(ctx context.Context, data wshrpc.CommandMessageData) error {
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log.Printf("MESSAGE: %s | %q\n", data.ORef, data.Message)
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return nil
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}
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// for testing
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func (ws *WshServer) StreamTestCommand(ctx context.Context) chan wshrpc.RespOrErrorUnion[int] {
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rtn := make(chan wshrpc.RespOrErrorUnion[int])
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go func() {
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for i := 1; i <= 5; i++ {
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rtn <- wshrpc.RespOrErrorUnion[int]{Response: i}
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time.Sleep(1 * time.Second)
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}
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close(rtn)
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}()
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return rtn
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}
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func (ws *WshServer) StreamWaveAiCommand(ctx context.Context, request wshrpc.OpenAiStreamRequest) chan wshrpc.RespOrErrorUnion[wshrpc.OpenAIPacketType] {
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if request.Opts.BaseURL == "" && request.Opts.APIToken == "" {
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return waveai.RunCloudCompletionStream(ctx, request)
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}
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return waveai.RunLocalCompletionStream(ctx, request)
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}
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func (ws *WshServer) StreamCpuDataCommand(ctx context.Context, request wshrpc.CpuDataRequest) chan wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData] {
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rtn := make(chan wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData])
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go func() {
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defer close(rtn)
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MakePlotData(ctx, request.Id)
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// we can use the err from MakePlotData to determine if a routine is already running
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// but we still need a way to close it or get data from it
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for {
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now := time.Now()
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percent, err := cpu.Percent(0, false)
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if err != nil {
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rtn <- wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData]{Error: err}
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}
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var value float64
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if len(percent) > 0 {
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value = percent[0]
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} else {
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value = 0.0
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}
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cpuData := wshrpc.TimeSeriesData{Ts: now.UnixMilli(), Values: map[string]float64{wshrpc.TimeSeries_Cpu: value}}
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rtn <- wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData]{Response: cpuData}
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time.Sleep(time.Second * 1)
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// this will end the goroutine if the block is closed
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err = SavePlotData(ctx, request.Id, "")
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if err != nil {
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rtn <- wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData]{Error: err}
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return
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}
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blockData, getBlockDataErr := wstore.DBMustGet[*waveobj.Block](ctx, request.Id)
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if getBlockDataErr != nil {
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rtn <- wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData]{Error: getBlockDataErr}
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return
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}
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count := blockData.Meta.GetInt(waveobj.MetaKey_Count, 0)
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if count != request.Count {
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rtn <- wshrpc.RespOrErrorUnion[wshrpc.TimeSeriesData]{Error: fmt.Errorf("new instance created. canceling old goroutine")}
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return
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}
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}
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}()
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return rtn
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}
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func MakePlotData(ctx context.Context, blockId string) error {
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block, err := wstore.DBMustGet[*waveobj.Block](ctx, blockId)
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if err != nil {
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return err
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}
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viewName := block.Meta.GetString(waveobj.MetaKey_View, "")
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if viewName != "cpuplot" {
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return fmt.Errorf("invalid view type: %s", viewName)
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}
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return filestore.WFS.MakeFile(ctx, blockId, "cpuplotdata", nil, filestore.FileOptsType{})
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}
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func SavePlotData(ctx context.Context, blockId string, history string) error {
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block, err := wstore.DBMustGet[*waveobj.Block](ctx, blockId)
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if err != nil {
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return err
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}
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viewName := block.Meta.GetString(waveobj.MetaKey_View, "")
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if viewName != "cpuplot" {
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return fmt.Errorf("invalid view type: %s", viewName)
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}
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// todo: interpret the data being passed
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// for now, this is just to throw an error if the block was closed
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historyBytes, err := json.Marshal(history)
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if err != nil {
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return fmt.Errorf("unable to serialize plot data: %v", err)
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}
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// ignore MakeFile error (already exists is ok)
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return filestore.WFS.WriteFile(ctx, blockId, "cpuplotdata", historyBytes)
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}
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func (ws *WshServer) GetMetaCommand(ctx context.Context, data wshrpc.CommandGetMetaData) (waveobj.MetaMapType, error) {
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obj, err := wstore.DBGetORef(ctx, data.ORef)
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if err != nil {
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return nil, fmt.Errorf("error getting object: %w", err)
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}
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if obj == nil {
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return nil, fmt.Errorf("object not found: %s", data.ORef)
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}
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return waveobj.GetMeta(obj), nil
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}
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func (ws *WshServer) SetMetaCommand(ctx context.Context, data wshrpc.CommandSetMetaData) error {
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log.Printf("SETMETA: %s | %v\n", data.ORef, data.Meta)
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oref := data.ORef
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err := wstore.UpdateObjectMeta(ctx, oref, data.Meta)
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if err != nil {
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return fmt.Errorf("error updating object meta: %w", err)
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}
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sendWaveObjUpdate(oref)
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return nil
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}
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func sendWaveObjUpdate(oref waveobj.ORef) {
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ctx, cancelFn := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancelFn()
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// send a waveobj:update event
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waveObj, err := wstore.DBGetORef(ctx, oref)
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if err != nil {
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log.Printf("error getting object for update event: %v", err)
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return
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}
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eventbus.SendEvent(eventbus.WSEventType{
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EventType: eventbus.WSEvent_WaveObjUpdate,
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ORef: oref.String(),
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Data: waveobj.WaveObjUpdate{
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UpdateType: waveobj.UpdateType_Update,
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OType: waveObj.GetOType(),
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OID: waveobj.GetOID(waveObj),
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Obj: waveObj,
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},
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})
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}
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func resolveSimpleId(ctx context.Context, data wshrpc.CommandResolveIdsData, simpleId string) (*waveobj.ORef, error) {
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if simpleId == SimpleId_This {
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if data.BlockId == "" {
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return nil, fmt.Errorf("no blockid in request")
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}
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return &waveobj.ORef{OType: waveobj.OType_Block, OID: data.BlockId}, nil
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}
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if strings.Contains(simpleId, ":") {
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rtn, err := waveobj.ParseORef(simpleId)
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if err != nil {
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return nil, fmt.Errorf("error parsing simple id: %w", err)
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}
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return &rtn, nil
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}
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return wstore.DBResolveEasyOID(ctx, simpleId)
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}
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func (ws *WshServer) ResolveIdsCommand(ctx context.Context, data wshrpc.CommandResolveIdsData) (wshrpc.CommandResolveIdsRtnData, error) {
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rtn := wshrpc.CommandResolveIdsRtnData{}
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rtn.ResolvedIds = make(map[string]waveobj.ORef)
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for _, simpleId := range data.Ids {
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oref, err := resolveSimpleId(ctx, data, simpleId)
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if err != nil || oref == nil {
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continue
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}
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rtn.ResolvedIds[simpleId] = *oref
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}
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return rtn, nil
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}
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func sendWStoreUpdatesToEventBus(updates waveobj.UpdatesRtnType) {
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for _, update := range updates {
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eventbus.SendEvent(eventbus.WSEventType{
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EventType: eventbus.WSEvent_WaveObjUpdate,
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ORef: waveobj.MakeORef(update.OType, update.OID).String(),
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Data: update,
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})
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}
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}
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func (ws *WshServer) CreateBlockCommand(ctx context.Context, data wshrpc.CommandCreateBlockData) (*waveobj.ORef, error) {
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ctx = waveobj.ContextWithUpdates(ctx)
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tabId := data.TabId
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blockRef, err := wcore.CreateBlock(ctx, data)
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if err != nil {
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return nil, fmt.Errorf("error creating block: %w", err)
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}
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updates := waveobj.ContextGetUpdatesRtn(ctx)
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sendWStoreUpdatesToEventBus(updates)
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windowId, err := wstore.DBFindWindowForTabId(ctx, tabId)
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if err != nil {
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return nil, fmt.Errorf("error finding window for tab: %w", err)
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}
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if windowId == "" {
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return nil, fmt.Errorf("no window found for tab")
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}
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eventbus.SendEventToWindow(windowId, eventbus.WSEventType{
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EventType: eventbus.WSEvent_LayoutAction,
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Data: &waveobj.LayoutActionData{
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ActionType: "insert",
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TabId: tabId,
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BlockId: blockRef.OID,
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Magnified: data.Magnified,
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},
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})
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return &waveobj.ORef{OType: waveobj.OType_Block, OID: blockRef.OID}, nil
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}
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func (ws *WshServer) SetViewCommand(ctx context.Context, data wshrpc.CommandBlockSetViewData) error {
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log.Printf("SETVIEW: %s | %q\n", data.BlockId, data.View)
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ctx = waveobj.ContextWithUpdates(ctx)
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block, err := wstore.DBGet[*waveobj.Block](ctx, data.BlockId)
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if err != nil {
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return fmt.Errorf("error getting block: %w", err)
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}
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block.Meta[waveobj.MetaKey_View] = data.View
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err = wstore.DBUpdate(ctx, block)
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if err != nil {
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return fmt.Errorf("error updating block: %w", err)
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}
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updates := waveobj.ContextGetUpdatesRtn(ctx)
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sendWStoreUpdatesToEventBus(updates)
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return nil
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}
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func (ws *WshServer) ControllerRestartCommand(ctx context.Context, data wshrpc.CommandBlockRestartData) error {
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bc := blockcontroller.GetBlockController(data.BlockId)
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if bc == nil {
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return fmt.Errorf("block controller not found for block %q", data.BlockId)
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}
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return bc.RestartController()
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}
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func (ws *WshServer) ControllerInputCommand(ctx context.Context, data wshrpc.CommandBlockInputData) error {
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bc := blockcontroller.GetBlockController(data.BlockId)
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if bc == nil {
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return fmt.Errorf("block controller not found for block %q", data.BlockId)
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}
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inputUnion := &blockcontroller.BlockInputUnion{
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SigName: data.SigName,
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TermSize: data.TermSize,
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}
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if len(data.InputData64) > 0 {
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inputBuf := make([]byte, base64.StdEncoding.DecodedLen(len(data.InputData64)))
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nw, err := base64.StdEncoding.Decode(inputBuf, []byte(data.InputData64))
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if err != nil {
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return fmt.Errorf("error decoding input data: %w", err)
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}
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inputUnion.InputData = inputBuf[:nw]
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}
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return bc.SendInput(inputUnion)
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}
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func (ws *WshServer) FileWriteCommand(ctx context.Context, data wshrpc.CommandFileData) error {
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dataBuf, err := base64.StdEncoding.DecodeString(data.Data64)
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if err != nil {
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return fmt.Errorf("error decoding data64: %w", err)
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}
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err = filestore.WFS.WriteFile(ctx, data.ZoneId, data.FileName, dataBuf)
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if err != nil {
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return fmt.Errorf("error writing to blockfile: %w", err)
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}
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eventbus.SendEvent(eventbus.WSEventType{
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EventType: eventbus.WSEvent_BlockFile,
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ORef: waveobj.MakeORef(waveobj.OType_Block, data.ZoneId).String(),
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Data: &eventbus.WSFileEventData{
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ZoneId: data.ZoneId,
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FileName: data.FileName,
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FileOp: eventbus.FileOp_Invalidate,
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},
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})
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return nil
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}
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func (ws *WshServer) FileReadCommand(ctx context.Context, data wshrpc.CommandFileData) (string, error) {
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_, dataBuf, err := filestore.WFS.ReadFile(ctx, data.ZoneId, data.FileName)
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if err != nil {
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return "", fmt.Errorf("error reading blockfile: %w", err)
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}
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return base64.StdEncoding.EncodeToString(dataBuf), nil
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}
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func (ws *WshServer) FileAppendCommand(ctx context.Context, data wshrpc.CommandFileData) error {
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dataBuf, err := base64.StdEncoding.DecodeString(data.Data64)
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if err != nil {
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return fmt.Errorf("error decoding data64: %w", err)
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}
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err = filestore.WFS.AppendData(ctx, data.ZoneId, data.FileName, dataBuf)
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if err != nil {
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return fmt.Errorf("error appending to blockfile: %w", err)
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}
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eventbus.SendEvent(eventbus.WSEventType{
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EventType: eventbus.WSEvent_BlockFile,
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ORef: waveobj.MakeORef(waveobj.OType_Block, data.ZoneId).String(),
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Data: &eventbus.WSFileEventData{
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ZoneId: data.ZoneId,
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FileName: data.FileName,
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FileOp: eventbus.FileOp_Append,
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Data64: base64.StdEncoding.EncodeToString(dataBuf),
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},
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})
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return nil
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}
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func (ws *WshServer) FileAppendIJsonCommand(ctx context.Context, data wshrpc.CommandAppendIJsonData) error {
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tryCreate := true
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if data.FileName == blockcontroller.BlockFile_Html && tryCreate {
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err := filestore.WFS.MakeFile(ctx, data.ZoneId, data.FileName, nil, filestore.FileOptsType{MaxSize: blockcontroller.DefaultHtmlMaxFileSize, IJson: true})
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if err != nil && err != fs.ErrExist {
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return fmt.Errorf("error creating blockfile[html]: %w", err)
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}
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}
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err := filestore.WFS.AppendIJson(ctx, data.ZoneId, data.FileName, data.Data)
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if err != nil {
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return fmt.Errorf("error appending to blockfile(ijson): %w", err)
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}
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eventbus.SendEvent(eventbus.WSEventType{
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EventType: eventbus.WSEvent_BlockFile,
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ORef: waveobj.MakeORef(waveobj.OType_Block, data.ZoneId).String(),
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Data: &eventbus.WSFileEventData{
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ZoneId: data.ZoneId,
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FileName: data.FileName,
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FileOp: eventbus.FileOp_Append,
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Data64: base64.StdEncoding.EncodeToString([]byte("{}")),
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},
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})
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return nil
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}
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func (ws *WshServer) DeleteBlockCommand(ctx context.Context, data wshrpc.CommandDeleteBlockData) error {
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ctx = waveobj.ContextWithUpdates(ctx)
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tabId, err := wstore.DBFindTabForBlockId(ctx, data.BlockId)
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if err != nil {
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return fmt.Errorf("error finding tab for block: %w", err)
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}
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if tabId == "" {
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return fmt.Errorf("no tab found for block")
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}
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windowId, err := wstore.DBFindWindowForTabId(ctx, tabId)
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if err != nil {
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return fmt.Errorf("error finding window for tab: %w", err)
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}
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if windowId == "" {
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return fmt.Errorf("no window found for tab")
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}
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err = wcore.DeleteBlock(ctx, tabId, data.BlockId)
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if err != nil {
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return fmt.Errorf("error deleting block: %w", err)
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}
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eventbus.SendEventToWindow(windowId, eventbus.WSEventType{
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EventType: eventbus.WSEvent_LayoutAction,
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Data: &waveobj.LayoutActionData{
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ActionType: "delete",
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TabId: tabId,
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BlockId: data.BlockId,
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},
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})
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updates := waveobj.ContextGetUpdatesRtn(ctx)
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sendWStoreUpdatesToEventBus(updates)
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return nil
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}
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func (ws *WshServer) EventRecvCommand(ctx context.Context, data wshrpc.WaveEvent) error {
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return nil
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}
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func (ws *WshServer) EventPublishCommand(ctx context.Context, data wshrpc.WaveEvent) error {
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rpcSource := wshutil.GetRpcSourceFromContext(ctx)
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if rpcSource == "" {
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return fmt.Errorf("no rpc source set")
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}
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if data.Sender == "" {
|
|
data.Sender = rpcSource
|
|
}
|
|
wps.Broker.Publish(data)
|
|
return nil
|
|
}
|
|
|
|
func (ws *WshServer) EventSubCommand(ctx context.Context, data wshrpc.SubscriptionRequest) error {
|
|
rpcSource := wshutil.GetRpcSourceFromContext(ctx)
|
|
if rpcSource == "" {
|
|
return fmt.Errorf("no rpc source set")
|
|
}
|
|
wps.Broker.Subscribe(rpcSource, data)
|
|
return nil
|
|
}
|
|
|
|
func (ws *WshServer) EventUnsubCommand(ctx context.Context, data string) error {
|
|
rpcSource := wshutil.GetRpcSourceFromContext(ctx)
|
|
if rpcSource == "" {
|
|
return fmt.Errorf("no rpc source set")
|
|
}
|
|
wps.Broker.Unsubscribe(rpcSource, data)
|
|
return nil
|
|
}
|
|
|
|
func (ws *WshServer) EventUnsubAllCommand(ctx context.Context) error {
|
|
rpcSource := wshutil.GetRpcSourceFromContext(ctx)
|
|
if rpcSource == "" {
|
|
return fmt.Errorf("no rpc source set")
|
|
}
|
|
wps.Broker.UnsubscribeAll(rpcSource)
|
|
return nil
|
|
}
|