176 lines
8.0 KiB
Go
176 lines
8.0 KiB
Go
package workbench
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import (
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_ "embed"
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"encoding/json"
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"fmt"
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"strings"
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"time"
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"yingce/backend/internal/model"
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"yingce/backend/internal/repository"
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"github.com/google/uuid"
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)
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// This resource-free snapshot comes from scripts/workbench-catalog-seed.ts.
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// Keep keys stable; display text and ordering are not part of record identity.
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//
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//go:embed seed/catalog.json
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var builtinCatalogJSON []byte
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type builtinToolSeed struct {
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Key string `json:"key"`
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Kind string `json:"kind"`
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CategoryID string `json:"categoryId"`
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Name string `json:"name"`
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Focus string `json:"focus"`
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InputOne string `json:"inputOne"`
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InputTwo string `json:"inputTwo"`
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}
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// EnsureBuiltinCatalog seeds missing records without changing administrator
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// edits, versions, timestamps, or publication state of existing records.
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func (s *Service) EnsureBuiltinCatalog() error {
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tools, presets, err := builtinCatalog()
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if err != nil {
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return fmt.Errorf("prepare builtin workbench catalog: %w", err)
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}
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return s.repo.Transaction(func(repo *repository.Repository) error {
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for index := range tools {
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if err := repo.CreateWorkbenchToolIfMissing(&tools[index]); err != nil {
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return fmt.Errorf("seed workbench tool %s: %w", tools[index].ID, err)
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}
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}
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for index := range presets {
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if err := repo.CreateWorkbenchPresetIfMissing(&presets[index]); err != nil {
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return fmt.Errorf("seed workbench preset %s: %w", presets[index].ID, err)
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}
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}
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return nil
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})
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}
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func builtinCatalog() ([]model.WorkbenchTool, []model.WorkbenchPreset, error) {
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var entries []builtinToolSeed
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if err := json.Unmarshal(builtinCatalogJSON, &entries); err != nil {
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return nil, nil, err
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}
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if len(entries) == 0 {
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return nil, nil, fmt.Errorf("empty catalog")
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}
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tools := make([]model.WorkbenchTool, 0, len(entries))
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presets := make([]model.WorkbenchPreset, 0, len(entries)*3)
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seen := map[string]bool{}
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now := time.Now().UTC()
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for index, entry := range entries {
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if entry.Key == "" || seen[entry.Key] || strings.TrimSpace(entry.Focus) == "" || strings.TrimSpace(entry.InputOne) == "" {
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return nil, nil, fmt.Errorf("invalid or duplicate catalog key %q", entry.Key)
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}
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seen[entry.Key] = true
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capability, guide, err := builtinToolConfig(entry, index)
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if err != nil {
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return nil, nil, err
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}
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tool, err := normalizeTool(ToolInput{
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Kind: entry.Kind, CategoryID: entry.CategoryID, Name: entry.Name, Subtitle: entry.Focus,
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Description: entry.Focus + "。具体画幅、时长与参考素材支持以所选模型能力为准，生成细节需人工验收。",
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SortOrder: 1000 + index*10, Capability: capability, Guide: guide, Enabled: true,
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})
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if err != nil {
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return nil, nil, fmt.Errorf("tool %s: %w", entry.Key, err)
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}
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tool.ID = builtinCatalogID("tool/" + entry.Key)
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tool.Version, tool.CreatedAt, tool.UpdatedAt = 1, now, now
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tools = append(tools, *tool)
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for _, variant := range builtinPromptVariants(entry) {
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preset, err := normalizePreset(PresetInput{ToolID: tool.ID, Name: variant.name, Summary: variant.summary, PromptTemplate: variant.prompt, SortOrder: variant.order, Enabled: true})
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if err != nil {
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return nil, nil, fmt.Errorf("preset %s/%s: %w", entry.Key, variant.key, err)
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}
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preset.ID = builtinCatalogID("preset/" + entry.Key + "/" + variant.key)
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preset.Version, preset.CreatedAt, preset.UpdatedAt = 1, now, now
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presets = append(presets, *preset)
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}
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}
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return tools, presets, nil
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}
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func builtinCatalogID(key string) string {
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return uuid.NewSHA1(uuid.NameSpaceURL, []byte("yingce/workbench/"+key)).String()
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}
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func builtinToolConfig(entry builtinToolSeed, index int) (json.RawMessage, json.RawMessage, error) {
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contract := InputContract{PromptRequired: true, Slots: []ReferenceSlot{}}
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for i, name := range []string{entry.InputOne, entry.InputTwo} {
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if name == "" || builtinTextInput(name) {
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continue // Script/shot descriptions belong in the prompt, not an image upload slot.
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}
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key, minCount := "reference-main", 1
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if i == 1 {
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key, minCount = "reference-support", 0
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}
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mediaType := KindImage
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if strings.Contains(name, "视频") {
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mediaType = KindVideo
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}
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contract.Slots = append(contract.Slots, ReferenceSlot{Key: key, Name: name, MediaTypes: []string{mediaType}, ResourceKind: "asset", MinCount: minCount, MaxCount: 4, Required: i == 0})
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}
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capability, err := json.Marshal(map[string]any{
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"supportedModes": []string{entry.Kind}, "searchKeywords": []string{entry.Name, entry.CategoryID, entry.Focus},
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"surfaces": []string{"workbench"}, "recommended": index < 12 || entry.Key == "product-hero-motion", "recommendationOrder": index + 1,
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"inputContract": contract,
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})
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if err != nil {
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return nil, nil, err
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}
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inputs := entry.InputOne
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if entry.InputTwo != "" {
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inputs += "；可补充" + entry.InputTwo
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}
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guide, err := json.Marshal(map[string]any{
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"inputHint": inputs + "。" + entry.Focus,
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"lines": []string{
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"准备：提供" + inputs + "。文字描述填写在提示词中，图像或视频作为参考素材上传。",
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"生成：" + entry.Focus + "。每次只改一个变量；涉及同一商品、角色或场景时，复用相同参考与身份锚点。",
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"验收：检查主体轮廓、颜色、服装、道具、比例、视线、空间轴线与光影连续性；未确认的规格、卖点和文字留给后期核实。",
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},
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})
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return capability, guide, err
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}
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func builtinTextInput(name string) bool {
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switch name {
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case "剧本/分镜文字", "镜头描述", "剧本片段", "分镜脚本", "角色/音色说明":
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return true
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default:
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return false
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}
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}
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type builtinPromptVariant struct {
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key, name, summary, prompt string
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order int
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}
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func builtinPromptVariants(entry builtinToolSeed) []builtinPromptVariant {
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if entry.Kind == KindVideo {
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prompt := "单镜头短片，" + entry.Focus + "。" + entry.InputOne + "决定主体身份与首帧构图；若有第二参考，只用于对应动作或风格。按“起始状态→一个清晰动作→稳定结束状态”连续演完，镜头运动克制且明确，主体脸、服装、商品结构、道具手别、空间轴线与光源方向全程一致。动作幅度真实，背景不跳变，不新增人物、物件或文字，不发生形变、闪烁或瞬移；结尾停留约1秒，便于剪辑。"
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return []builtinPromptVariant{
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{"standard", "标准单镜头", "一个主体动作 + 一种机位运动 + 稳定尾帧", prompt, 0},
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{"emotion", "情绪强化", "增强表演节奏与光线，不增加动作", prompt + " 情绪方向：从克制开始，在动作完成时出现清楚但不过度的情绪变化；使用单一色温与柔和层次光，避免快速剪切。", 1},
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{"continuity", "干净产品/连续性版", "优先保真与稳定，降低背景运动", prompt + " 保真优先：镜头固定或极慢推进，背景保持静止，主体占画面主要区域，所有标签、服装和道具细节清晰可核对。", 2},
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}
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}
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anchor := "以参考图1为主体外观与身份的唯一依据，"
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if builtinTextInput(entry.InputOne) {
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anchor = "以提供的" + entry.InputOne + "和角色、场景设定为依据，"
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}
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prompt := anchor + entry.Focus + "。保持主体结构、颜色、比例、材质和可见细节稳定；辅助参考仅用于其对应的场景、姿态或风格，不得覆盖主体特征。采用清晰的主体层级、可信透视、自然光影与真实接触关系。画面不生成文字、价格、水印、虚构品牌或未提供的产品信息；输出干净、可用于商业创作的视觉画面。"
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return []builtinPromptVariant{
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{"standard", "标准主视觉", "主体保真，按核心用途生成", prompt, 0},
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{"composition", "构图变化", "锁定主体，只调整机位和留白", prompt + " 构图变体：采用轻微三分法机位，将主体放在画面一侧，另一侧留出干净负空间；主体仍完整可辨，画面层次简洁。", 1},
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{"detail", "细节优先", "适合材质、五金、表情与连续性检查", prompt + " 细节版：镜头略近，优先表现真实纹理、边缘、手部与面部自然结构及接触阴影；不锐化出虚假纹理，不改变主体身份。", 2},
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}
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}
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