refactor(*): 平台架构 - 拆分后端领域模块与画布前端组件并补充测试
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ddcat666
160
backend/internal/app/model_capability_defaults.go
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160
backend/internal/app/model_capability_defaults.go
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// 各类模型的默认能力配置与按模型的特例修正（例如固定分辨率、特定时长档位）。
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package app
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import (
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"strings"
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"infinite-canvas/backend/internal/model"
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)
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func DefaultModelCapabilityConfig(protocol string) *ModelCapabilityConfig {
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return DefaultModelCapabilityConfigForModel(protocol, "")
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}
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func videoDurationSupported(value *VideoCapabilityConfig) bool {
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return value == nil || value.DurationSupported == nil || *value.DurationSupported
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}
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func DefaultImageCapabilityConfig(protocol string, modelName string) *ImageCapabilityConfig {
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image := &ImageCapabilityConfig{
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References: ImageReferenceConfig{PromptMaxChars: 32000, MaxImages: 16, MaxImageBytes: 30 * 1024 * 1024, MaskSupported: true},
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Size: ImageSizeConfig{Parameter: "size", Values: defaultImageSizeValues(), Default: "1:1", AllowCustom: true},
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Quality: ImageQualityConfig{Supported: true, Values: []string{"auto", "low", "medium", "high"}, Default: "auto"},
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TransparentBackground: VideoBooleanConfig{Supported: true, Default: false},
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ResponseFormat: ParameterSupport{Supported: true},
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OutputFormat: ParameterSupport{Supported: true},
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MaxOutputs: 15,
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}
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switch model.ChannelInterfaceType(protocol) {
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case model.ChannelInterfaceGrokImage:
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image.References.MaxImages = 1
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image.References.MaskSupported = false
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// grok2api / xAI Imagine：size→aspect_ratio，quality→resolution(1k/2k)。
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image.Size = ImageSizeConfig{Parameter: "aspect_ratio", Values: []string{"1:1", "3:4", "4:3", "9:16", "16:9", "2:3", "3:2"}, Default: "1:1", AllowCustom: false}
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image.Quality = ImageQualityConfig{Supported: true, Values: []string{"1k", "2k"}, Default: "2k"}
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image.TransparentBackground = VideoBooleanConfig{Supported: false, Default: false}
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image.ResponseFormat = ParameterSupport{Supported: true}
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image.OutputFormat = ParameterSupport{Supported: false}
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image.MaxOutputs = 1
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case model.ChannelInterfaceVolcengineArkImage, model.ChannelInterfaceVolcengineArkAgentPlanImage:
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image.References.MaskSupported = false
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image.Quality.Supported = false
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image.TransparentBackground.Supported = false
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image.ResponseFormat.Supported = false
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image.OutputFormat.Supported = false
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case model.ChannelInterfaceVolcengineJiMengImage:
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image.References.MaxImages = 14
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image.References.MaskSupported = false
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image.Quality.Supported = false
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image.TransparentBackground.Supported = false
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image.ResponseFormat.Supported = false
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image.OutputFormat.Supported = false
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case model.ChannelInterfaceGeminiImage:
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image.References.MaskSupported = false
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// Gemini Images uses imageConfig.aspectRatio, not the OpenAI-style pixel size field.
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image.Size = ImageSizeConfig{Parameter: "aspect_ratio", Values: []string{"auto", "1:1", "2:3", "3:2", "3:4", "4:3", "9:16", "16:9", "21:9"}, Default: "1:1", AllowCustom: false}
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image.TransparentBackground.Supported = false
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image.ResponseFormat.Supported = false
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image.OutputFormat.Supported = false
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image.MaxOutputs = 4
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}
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if model.ChannelInterfaceType(protocol) != model.ChannelInterfaceGrokImage && strings.HasPrefix(strings.ToLower(strings.TrimSpace(modelName)), "grok-imagine-image") {
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image.References.MaxImages = 0
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image.References.MaskSupported = false
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image.Size = ImageSizeConfig{Parameter: "aspect_ratio", Values: []string{"1:1", "3:4", "4:3", "9:16", "16:9", "2:3", "3:2"}, Default: "1:1", AllowCustom: false}
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image.Quality = ImageQualityConfig{Supported: true, Values: []string{"1k", "2k"}, Default: "2k"}
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image.TransparentBackground = VideoBooleanConfig{Supported: false, Default: false}
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image.ResponseFormat = ParameterSupport{Supported: true}
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image.OutputFormat = ParameterSupport{Supported: false}
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image.MaxOutputs = 1
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}
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return image
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}
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func defaultImageSizeValues() []string {
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return []string{
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"auto", "1:1", "3:2", "2:3", "4:3", "3:4", "16:9", "21:9", "9:16",
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"1024x1024", "1360x1024", "1024x1360", "1536x1024", "1024x1536", "1024x1280", "1280x1024", "2048x878", "1824x1024", "1024x1824",
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"2048x2048", "2304x1728", "1728x2304", "2496x1664", "1664x2496", "1792x2240", "2240x1792", "3136x1344", "2752x1536", "1536x2752",
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"2880x2880", "3264x2448", "2448x3264", "3504x2336", "2336x3504", "2560x3200", "3200x2560", "3808x1632", "3840x2160", "2160x3840",
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}
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}
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// legacyImageSizeValues 用于修复旧数据中仅保存了 "*" 的图片尺寸能力。
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// 这组值是前后台共同展示的基础预设，不能让历史通配符配置继续污染用户生成参数。
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func legacyImageSizeValues() []string {
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return []string{
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"1:1", "3:2", "2:3", "4:3", "3:4", "16:9", "21:9", "9:16",
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"1024x1024", "1536x1024", "1024x1536",
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}
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}
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func DefaultModelCapabilityConfigForModel(protocol string, modelName string) *ModelCapabilityConfig {
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// 文本模型是否支持视觉输入不能从协议或模型名可靠推断，默认关闭，由管理员按真实上游能力开启。
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streaming := true
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text := &TextCapabilityConfig{Streaming: &streaming, ContextWindowTokens: 128000, MaxOutputTokens: 16384, References: TextReferenceConfig{PromptMaxChars: 32000}}
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video := &VideoCapabilityConfig{
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References: VideoReferenceConfig{PromptMaxChars: DefaultVideoPromptMaxChars, MinImages: 0, MaxImages: 9, MaxImageBytes: 30 * 1024 * 1024, MaxVideos: 0, MaxVideoBytes: 0, MaxVideoDuration: 0, MaxAudios: 0, MaxAudioBytes: 0, MaxAudioDuration: 0},
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Duration: VideoDurationConfig{Selection: "range", Min: 1, Max: 15, Step: 1, Default: 6},
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Ratios: []string{"16:9", "9:16", "1:1", "4:3", "3:4", "21:9"},
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DefaultRatio: "16:9",
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Resolutions: []string{"480p", "720p", "1080p", "1440p", "2160p"},
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DefaultResolution: "720p",
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GenerateAudio: VideoBooleanConfig{Supported: false, Default: false},
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Watermark: VideoBooleanConfig{Supported: false, Default: false},
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Operations: []string{"text_to_video", "image_to_video"},
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DefaultOperation: "text_to_video",
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}
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switch model.ChannelInterfaceType(protocol) {
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case model.ChannelInterfaceVolcengineJiMengVideo:
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video.Duration = VideoDurationConfig{Selection: "enum", Values: []int{5, 10}, Default: 5}
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video.Resolutions = []string{"720p"}
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case model.ChannelInterfaceGeminiVeo:
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video.Duration = VideoDurationConfig{Selection: "enum", Values: []int{4, 6, 8}, Default: 6}
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video.Resolutions = []string{"720p", "1080p"}
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case model.ChannelInterfaceVolcengineArkVideo, model.ChannelInterfaceVolcengineArkAgentPlanVideo:
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video.Operations = append(video.Operations, "reference_to_video", "audio_to_video")
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video.References.MaxVideos, video.References.MaxAudios = 3, 3
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video.References.MaxVideoBytes, video.References.MaxAudioBytes = 200*1024*1024, 15*1024*1024
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video.References.MaxVideoDuration, video.References.MaxAudioDuration = 15, 15
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video.GenerateAudio = VideoBooleanConfig{Supported: true, Default: true}
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video.Watermark = VideoBooleanConfig{Supported: true, Default: false}
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video.Resolutions = []string{"480p", "720p", "1080p"}
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case model.ChannelInterfaceNewAPIChannel1, model.ChannelInterfaceNewAPIChannel2:
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video.References.MaxVideos, video.References.MaxAudios = 3, 3
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video.References.MaxVideoBytes, video.References.MaxAudioBytes = 200*1024*1024, 15*1024*1024
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video.References.MaxVideoDuration, video.References.MaxAudioDuration = 15, 15
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video.GenerateAudio = VideoBooleanConfig{Supported: true, Default: true}
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if model.ChannelInterfaceType(protocol) == model.ChannelInterfaceNewAPIChannel1 {
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video.Resolutions = []string{"480p", "720p", "1080p"}
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}
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case model.ChannelInterfaceNewAPIVideo, model.ChannelInterfaceXAIVideo:
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video.GenerateAudio = VideoBooleanConfig{Supported: false, Default: false}
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case model.ChannelInterfaceNovitaVideo:
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video.References.MaxImages, video.References.MaxImageBytes = 1, 10*1024*1024
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video.Duration = VideoDurationConfig{Selection: "enum", Values: []int{5, 10}, Default: 5}
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video.Ratios = []string{"16:9", "9:16", "1:1"}
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video.Resolutions = []string{"1080p"}
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video.DefaultResolution = "1080p"
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case model.ChannelInterfaceMiniMaxVideo:
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video.Operations = append(video.Operations, "reference_to_video")
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video.References.MaxImages = 9
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video.References.MaxImageBytes = 30 * 1024 * 1024
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video.References.MaxVideos = 3
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video.References.MaxVideoBytes = 50 * 1024 * 1024
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video.References.MaxVideoDuration = 15
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video.References.MaxAudios = 3
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video.References.MaxAudioBytes = 15 * 1024 * 1024
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video.References.MaxAudioDuration = 15
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video.Duration = VideoDurationConfig{Selection: "enum", Values: []int{4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Default: 5}
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video.Ratios = []string{"adaptive", "21:9", "16:9", "4:3", "1:1", "3:4", "9:16"}
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video.DefaultRatio = "16:9"
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video.Resolutions = []string{"768P", "2K"}
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video.DefaultResolution = "768P"
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video.Watermark = VideoBooleanConfig{Supported: true, Default: false}
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case model.ChannelInterfaceAgnesVideo:
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video = applyModelSpecificVideoCapability(video, protocol, modelName)
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}
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return &ModelCapabilityConfig{Version: 1, Text: text, Image: DefaultImageCapabilityConfig(protocol, modelName), Video: video}
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}
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