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Documentation

Index

• func New(repo Repository, imageCache *ImageCache, logger *slog.Logger) http.Handler
• func PlotHandler(logger *slog.Logger) http.Handler
• func PlotterHandler(repository Repository, plotter Plotter, logger *slog.Logger) http.Handler
• func ReportHandler(logger *slog.Logger) http.Handler
• type ImageCache
  • func (c *ImageCache) Get(ctx context.Context, plotType string, args arguments) (string, []byte, error)
  • func (c *ImageCache) Middleware(plotType string, logger *slog.Logger) func(next http.Handler) http.Handler
  • func (c *ImageCache) Set(ctx context.Context, key string, content []byte) error
• type Plotter
• type RedisClient
• type Repository

Functions

func New

func New(repo Repository, imageCache *ImageCache, logger *slog.Logger) http.Handler

func PlotHandler

func PlotHandler(logger *slog.Logger) http.Handler

func PlotterHandler

func PlotterHandler(
	repository Repository,
	plotter Plotter,
	logger *slog.Logger,
) http.Handler

func ReportHandler

func ReportHandler(logger *slog.Logger) http.Handler

Types

type ImageCache

type ImageCache struct {
	Namespace string
	Rounding  time.Duration
	TTL       time.Duration
	Client    RedisClient
}

func (*ImageCache) Get

func (c *ImageCache) Get(ctx context.Context, plotType string, args arguments) (string, []byte, error)

func (*ImageCache) Middleware

func (c *ImageCache) Middleware(plotType string, logger *slog.Logger) func(next http.Handler) http.Handler

func (*ImageCache) Set

func (c *ImageCache) Set(ctx context.Context, key string, content []byte) error

type Plotter

type Plotter interface {
	Plot(repository.Measurements, bool) (*vgimg.PngCanvas, error)
}

type RedisClient

type RedisClient interface {
	Get(ctx context.Context, key string) *redis.StringCmd
	Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *redis.StatusCmd
}

type Repository

type Repository interface {
	Get(from, to time.Time) (repository.Measurements, error)
}