|
| 1 | +package proxy |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "errors" |
| 7 | + "io" |
| 8 | + "net/http" |
| 9 | + "strings" |
| 10 | + "time" |
| 11 | + |
| 12 | + "github.com/bricks-cloud/bricksllm/internal/provider/openai" |
| 13 | + "github.com/bricks-cloud/bricksllm/internal/telemetry" |
| 14 | + "github.com/bricks-cloud/bricksllm/internal/util" |
| 15 | + "github.com/gin-gonic/gin" |
| 16 | + goopenai "github.com/sashabaranov/go-openai" |
| 17 | +) |
| 18 | + |
| 19 | +func getVideoHandler(prod bool, client http.Client, e estimator) gin.HandlerFunc { |
| 20 | + return func(ginCtx *gin.Context) { |
| 21 | + log := util.GetLogFromCtx(ginCtx) |
| 22 | + telemetry.Incr("bricksllm.proxy.get_responses_handler.requests", nil, 1) |
| 23 | + |
| 24 | + if ginCtx == nil || ginCtx.Request == nil { |
| 25 | + JSON(ginCtx, http.StatusInternalServerError, "[BricksLLM] context is empty") |
| 26 | + return |
| 27 | + } |
| 28 | + |
| 29 | + ctx, cancel := context.WithTimeout(ginCtx.Request.Context(), ginCtx.GetDuration("requestTimeout")) |
| 30 | + defer cancel() |
| 31 | + |
| 32 | + videoURL, err := constructVideoURL(ginCtx.Request.URL.Path) |
| 33 | + if err != nil { |
| 34 | + logError(log, "failed to construct video URL", prod, err) |
| 35 | + JSON(ginCtx, http.StatusBadRequest, "[BricksLLM] invalid video request") |
| 36 | + return |
| 37 | + } |
| 38 | + |
| 39 | + req, err := http.NewRequestWithContext(ctx, ginCtx.Request.Method, videoURL, ginCtx.Request.Body) |
| 40 | + if err != nil { |
| 41 | + logError(log, "error when creating openai http request", prod, err) |
| 42 | + JSON(ginCtx, http.StatusInternalServerError, "[BricksLLM] failed to create openai http request") |
| 43 | + return |
| 44 | + } |
| 45 | + |
| 46 | + copyHttpHeaders(ginCtx.Request, req, ginCtx.GetBool("removeUserAgent")) |
| 47 | + |
| 48 | + start := time.Now() |
| 49 | + res, err := client.Do(req) |
| 50 | + if err != nil { |
| 51 | + telemetry.Incr("bricksllm.proxy.get_video_handler.http_client_error", nil, 1) |
| 52 | + |
| 53 | + logError(log, "error when sending http request to openai", prod, err) |
| 54 | + JSON(ginCtx, http.StatusInternalServerError, "[BricksLLM] failed to send http request to openai") |
| 55 | + return |
| 56 | + } |
| 57 | + defer res.Body.Close() |
| 58 | + |
| 59 | + for name, values := range res.Header { |
| 60 | + for _, value := range values { |
| 61 | + ginCtx.Header(name, value) |
| 62 | + } |
| 63 | + } |
| 64 | + |
| 65 | + if res.StatusCode != http.StatusOK { |
| 66 | + dur := time.Since(start) |
| 67 | + telemetry.Timing("bricksllm.proxy.get_video_handler.error_latency", dur, nil, 1) |
| 68 | + telemetry.Incr("bricksllm.proxy.get_video_handler.error_response", nil, 1) |
| 69 | + |
| 70 | + bytes, err2 := io.ReadAll(res.Body) |
| 71 | + if err2 != nil { |
| 72 | + logError(log, "error when reading openai http video response body", prod, err2) |
| 73 | + JSON(ginCtx, http.StatusInternalServerError, "[BricksLLM] failed to read openai response body") |
| 74 | + return |
| 75 | + } |
| 76 | + |
| 77 | + errorRes := &goopenai.ErrorResponse{} |
| 78 | + err2 = json.Unmarshal(bytes, errorRes) |
| 79 | + if err2 != nil { |
| 80 | + logError(log, "error when unmarshalling openai video error response body", prod, err2) |
| 81 | + } |
| 82 | + |
| 83 | + logOpenAiError(log, prod, errorRes) |
| 84 | + |
| 85 | + ginCtx.Data(res.StatusCode, "application/json", bytes) |
| 86 | + return |
| 87 | + } |
| 88 | + |
| 89 | + dur := time.Since(start) |
| 90 | + telemetry.Timing("bricksllm.proxy.get_video_handler.latency", dur, nil, 1) |
| 91 | + |
| 92 | + bytes, err := io.ReadAll(res.Body) |
| 93 | + if err != nil { |
| 94 | + logError(log, "error when reading openai http video response body", prod, err) |
| 95 | + JSON(ginCtx, http.StatusInternalServerError, "[BricksLLM] failed to read openai response body") |
| 96 | + return |
| 97 | + } |
| 98 | + |
| 99 | + var cost float64 = 0 |
| 100 | + respMetadata := &openai.VideoResponseMetadata{} |
| 101 | + telemetry.Incr("bricksllm.proxy.get_video_handler.success", nil, 1) |
| 102 | + telemetry.Timing("bricksllm.proxy.get_video_handler.success_latency", dur, nil, 1) |
| 103 | + |
| 104 | + err = json.Unmarshal(bytes, respMetadata) |
| 105 | + if err != nil { |
| 106 | + logError(log, "error when unmarshalling openai http video response body", prod, err) |
| 107 | + } |
| 108 | + |
| 109 | + isPaidRequest := ginCtx.Request.Method == http.MethodPost |
| 110 | + if err == nil && isPaidRequest { |
| 111 | + cost, err = e.EstimateVideoCost(respMetadata) |
| 112 | + if err != nil { |
| 113 | + telemetry.Incr("bricksllm.proxy.get_video_handler.estimate_cost_error", nil, 1) |
| 114 | + logError(log, "error when estimating video cost", prod, err) |
| 115 | + } |
| 116 | + } |
| 117 | + ginCtx.Set("costInUsd", cost) |
| 118 | + ginCtx.Data(res.StatusCode, "application/json", bytes) |
| 119 | + return |
| 120 | + } |
| 121 | +} |
| 122 | + |
| 123 | +func constructVideoURL(fullPath string) (string, error) { |
| 124 | + if fullPath == "" { |
| 125 | + return "", errors.New("empty full path") |
| 126 | + } |
| 127 | + if !strings.HasPrefix(fullPath, "/api/providers/openai") { |
| 128 | + return "", errors.New("invalid path prefix") |
| 129 | + } |
| 130 | + path := strings.TrimPrefix(fullPath, "/api/providers/openai") |
| 131 | + return "https://api.openai.com" + path, nil |
| 132 | +} |
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