69 lines
2 KiB
Go
69 lines
2 KiB
Go
package api
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"net/http"
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"github.com/Gleipnir-Technology/nidus-sync/db"
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"github.com/Gleipnir-Technology/nidus-sync/db/models"
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"github.com/Gleipnir-Technology/nidus-sync/platform"
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"github.com/Gleipnir-Technology/nidus-sync/platform/imagetile"
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"github.com/go-chi/chi/v5"
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"github.com/rs/zerolog/log"
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)
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func getComplianceRequestImagePool(w http.ResponseWriter, r *http.Request) {
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code := chi.URLParam(r, "public_id")
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if code == "" {
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http.Error(w, "empty public_id", http.StatusBadRequest)
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return
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}
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ctx := r.Context()
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comp, err := models.ComplianceReportRequests.Query(
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models.Preload.ComplianceReportRequest.Site(),
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models.SelectWhere.ComplianceReportRequests.PublicID.EQ(code),
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).One(ctx, db.PGInstance.BobDB)
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if err != nil {
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http.Error(w, "no comp", http.StatusInternalServerError)
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return
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}
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site := comp.R.Site
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org, err := models.FindOrganization(ctx, db.PGInstance.BobDB, site.OrganizationID)
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if err != nil {
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http.Error(w, "no org", http.StatusInternalServerError)
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return
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}
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envelope, err := platform.ParcelEnvelope(ctx, site.ParcelID)
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if err != nil {
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log.Error().Err(err).Msg("parcel envelop failure")
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http.Error(w, "parcel env", http.StatusInternalServerError)
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return
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}
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ring := (*envelope)[0]
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p := ring[0]
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err = writeImage(ctx, w, org, 22, p[1], p[0])
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if err != nil {
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log.Error().Err(err).Msg("write image")
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http.Error(w, "failed to write image", http.StatusInternalServerError)
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return
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}
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}
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func writeImage(ctx context.Context, w http.ResponseWriter, org *models.Organization, level uint, lat, lng float64) error {
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img, err := imagetile.ImageAtPoint(ctx, org, level, lat, lng)
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if err != nil {
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return fmt.Errorf("image at point: %w", err)
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}
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log.Info().Int("size", len(img)).Msg("image")
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w.Header().Set("Content-Type", "image/png")
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w.Header().Set("Content-Length", fmt.Sprintf("%d", len(img)))
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_, err = io.Copy(w, bytes.NewBuffer(img))
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if err != nil {
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return fmt.Errorf("copy bytes: %w", err)
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}
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return nil
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}
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