mathias
6fd31e197c
Engine wires the ports and exposes ProcessNewVideo, the core use case. Returns ErrNotImplemented on purpose so the acceptance suite fails RED — implementing it to make those tests pass is the first build task. Depends only on ports + domain (dependencies point inward).
48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
// Package usecase holds Tapir's application core: the engine that detects new
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// videos, resolves transcripts, summarizes, and delivers to sinks. It depends
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// only on internal/ports and internal/domain.
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//
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// This is a SCAFFOLD. Methods return ErrNotImplemented so the acceptance tests
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// in test/acceptance fail RED. Implementing them to make those tests pass is
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// the first build task (see the build issue). Behaviour is specified in
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// docs/use-cases/*.feature.
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package usecase
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import (
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"context"
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"errors"
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"gitea.d-ma.be/mathias/tapir/internal/domain"
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"gitea.d-ma.be/mathias/tapir/internal/ports"
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)
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// ErrNotImplemented marks scaffold methods awaiting implementation.
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var ErrNotImplemented = errors.New("not implemented")
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// Engine is the provider- and sink-agnostic core.
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type Engine struct {
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Source ports.VideoSource
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AI ports.Summarizer
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Sinks []ports.Sink
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}
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// NewEngine wires the engine from its ports.
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func NewEngine(src ports.VideoSource, ai ports.Summarizer, sinks ...ports.Sink) *Engine {
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return &Engine{Source: src, AI: ai, Sinks: sinks}
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}
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// ProcessResult reports what happened for one video.
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type ProcessResult struct {
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Video domain.Video
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Skipped bool
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Reason string // set when Skipped (e.g. "no transcript")
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Summary *domain.Summary // nil when Skipped
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}
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// ProcessNewVideo runs the core use case for a single video:
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// resolve transcript -> (summarize -> deliver) | skip.
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// See docs/use-cases/summarize_new_video.feature.
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func (e *Engine) ProcessNewVideo(ctx context.Context, v domain.Video) (ProcessResult, error) {
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return ProcessResult{}, ErrNotImplemented
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}
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