AzenKain
17aafacbfd
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58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package services
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import (
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"context"
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"history-api/internal/repositories"
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"github.com/gofiber/fiber/v3"
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)
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type RasterTileService interface {
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GetMetadata(ctx context.Context) (map[string]string, *fiber.Error)
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GetTile(ctx context.Context, z, x, y int) ([]byte, map[string]string, *fiber.Error)
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}
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type rasterTileService struct {
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tileRepo repositories.RasterTileRepository
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}
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func NewRasterTileService(
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TileRepo repositories.RasterTileRepository,
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) RasterTileService {
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return &rasterTileService{
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tileRepo: TileRepo,
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}
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}
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func (t *rasterTileService) GetMetadata(ctx context.Context) (map[string]string, *fiber.Error) {
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metaData, err := t.tileRepo.GetMetadata(ctx)
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if err != nil {
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return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch map metadata")
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}
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return metaData, nil
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}
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func (t *rasterTileService) GetTile(ctx context.Context, z, x, y int) ([]byte, map[string]string, *fiber.Error) {
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contentType := make(map[string]string)
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data, format, err := t.tileRepo.GetTile(ctx, z, x, y)
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if err != nil {
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return nil, contentType, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch tile data")
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}
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switch format {
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case "png":
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contentType["Content-Type"] = "image/png"
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case "jpg", "jpeg":
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contentType["Content-Type"] = "image/jpeg"
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case "webp":
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contentType["Content-Type"] = "image/webp"
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default:
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contentType["Content-Type"] = "application/octet-stream"
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}
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return data, contentType, nil
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}
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