Update .gitignore to include log files and database journal files. Modify go.mod to update dependencies for go-sqlite3 and cloud.google.com/go/compute/metadata. Enhance Makefile to include logging options for manager and runner commands. Introduce new job token handling in auth package and implement database migration scripts. Refactor manager and runner components to improve job processing and metadata extraction. Add support for video preview in frontend components and enhance WebSocket management for channel subscriptions.

internal/runner/tasks/processor.go

@@ -0,0 +1,156 @@
+// Package tasks provides task processing implementations.
+package tasks
+
+import (
+	"jiggablend/internal/runner/api"
+	"jiggablend/internal/runner/blender"
+	"jiggablend/internal/runner/encoding"
+	"jiggablend/internal/runner/workspace"
+	"jiggablend/pkg/executils"
+	"jiggablend/pkg/types"
+)
+
+// Processor handles a specific task type.
+type Processor interface {
+	Process(ctx *Context) error
+}
+
+// Context provides task execution context.
+type Context struct {
+	TaskID   int64
+	JobID    int64
+	JobName  string
+	Frame    int
+	TaskType string
+	WorkDir  string
+	JobToken string
+	Metadata *types.BlendMetadata
+
+	Manager   *api.ManagerClient
+	JobConn   *api.JobConnection
+	Workspace *workspace.Manager
+	Blender   *blender.Manager
+	Encoder   *encoding.Selector
+	Processes *executils.ProcessTracker
+}
+
+// NewContext creates a new task context.
+func NewContext(
+	taskID, jobID int64,
+	jobName string,
+	frame int,
+	taskType string,
+	workDir string,
+	jobToken string,
+	metadata *types.BlendMetadata,
+	manager *api.ManagerClient,
+	jobConn *api.JobConnection,
+	ws *workspace.Manager,
+	blenderMgr *blender.Manager,
+	encoder *encoding.Selector,
+	processes *executils.ProcessTracker,
+) *Context {
+	return &Context{
+		TaskID:    taskID,
+		JobID:     jobID,
+		JobName:   jobName,
+		Frame:     frame,
+		TaskType:  taskType,
+		WorkDir:   workDir,
+		JobToken:  jobToken,
+		Metadata:  metadata,
+		Manager:   manager,
+		JobConn:   jobConn,
+		Workspace: ws,
+		Blender:   blenderMgr,
+		Encoder:   encoder,
+		Processes: processes,
+	}
+}
+
+// Log sends a log entry to the manager.
+func (c *Context) Log(level types.LogLevel, message string) {
+	if c.JobConn != nil {
+		c.JobConn.Log(c.TaskID, level, message)
+	}
+}
+
+// Info logs an info message.
+func (c *Context) Info(message string) {
+	c.Log(types.LogLevelInfo, message)
+}
+
+// Warn logs a warning message.
+func (c *Context) Warn(message string) {
+	c.Log(types.LogLevelWarn, message)
+}
+
+// Error logs an error message.
+func (c *Context) Error(message string) {
+	c.Log(types.LogLevelError, message)
+}
+
+// Progress sends a progress update.
+func (c *Context) Progress(progress float64) {
+	if c.JobConn != nil {
+		c.JobConn.Progress(c.TaskID, progress)
+	}
+}
+
+// OutputUploaded notifies that an output file was uploaded.
+func (c *Context) OutputUploaded(fileName string) {
+	if c.JobConn != nil {
+		c.JobConn.OutputUploaded(c.TaskID, fileName)
+	}
+}
+
+// Complete sends task completion.
+func (c *Context) Complete(success bool, errorMsg error) {
+	if c.JobConn != nil {
+		c.JobConn.Complete(c.TaskID, success, errorMsg)
+	}
+}
+
+// GetOutputFormat returns the output format from metadata or default.
+func (c *Context) GetOutputFormat() string {
+	if c.Metadata != nil && c.Metadata.RenderSettings.OutputFormat != "" {
+		return c.Metadata.RenderSettings.OutputFormat
+	}
+	return "PNG"
+}
+
+// GetFrameRate returns the frame rate from metadata or default.
+func (c *Context) GetFrameRate() float64 {
+	if c.Metadata != nil && c.Metadata.RenderSettings.FrameRate > 0 {
+		return c.Metadata.RenderSettings.FrameRate
+	}
+	return 24.0
+}
+
+// GetBlenderVersion returns the Blender version from metadata.
+func (c *Context) GetBlenderVersion() string {
+	if c.Metadata != nil {
+		return c.Metadata.BlenderVersion
+	}
+	return ""
+}
+
+// ShouldUnhideObjects returns whether to unhide objects.
+func (c *Context) ShouldUnhideObjects() bool {
+	return c.Metadata != nil && c.Metadata.UnhideObjects != nil && *c.Metadata.UnhideObjects
+}
+
+// ShouldEnableExecution returns whether to enable auto-execution.
+func (c *Context) ShouldEnableExecution() bool {
+	return c.Metadata != nil && c.Metadata.EnableExecution != nil && *c.Metadata.EnableExecution
+}
+
+// ShouldPreserveHDR returns whether to preserve HDR range for EXR encoding.
+func (c *Context) ShouldPreserveHDR() bool {
+	return c.Metadata != nil && c.Metadata.PreserveHDR != nil && *c.Metadata.PreserveHDR
+}
+
+// ShouldPreserveAlpha returns whether to preserve alpha channel for EXR encoding.
+func (c *Context) ShouldPreserveAlpha() bool {
+	return c.Metadata != nil && c.Metadata.PreserveAlpha != nil && *c.Metadata.PreserveAlpha
+}