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* photo metedata provided with downloaded data * data download recognizes application/json and application/zip accepted types and serves bare json and zip with photos respectively * thumbnail handling and storage
89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
package models
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import (
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"io"
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"time"
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geojson "github.com/paulmach/go.geojson"
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)
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// core objects
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type UserID int64
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type FeatureID int64
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type FeaturePhotoID int64
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type User struct {
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ID UserID `json:"id"`
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Name string `json:"name"`
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}
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type Feature struct {
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// ID is an ID of the feature.
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// When the feature is submitted by a client for creation (i.e. in Update.Create) it is considered a 'local' ID which must be unique across all submitted features.
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ID FeatureID `json:"id"`
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OwnerID UserID `json:"owner_id"`
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Name string `json:"name"`
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Deadline *time.Time `json:"deadline,omitempty"`
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Properties map[string]interface{} `json:"properties"`
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Geometry geojson.Geometry `json:"geometry"`
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// PhotoIDs contains a list IDs of photos associated with the feature.
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// When the feature is retrieved from the server, the IDs can be used to retrieve the photos.
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// When the feature is submitted by a client (created or updated, i.e. in Update.Create or Update.Update), this list is ignored (as photos are managed through Update.CreatePhotos and Update.DeletePhotos fields).
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PhotoIDs []FeaturePhotoID `json:"photo_ids"`
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}
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// transport objects
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type Coords struct {
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Lat float64 `json:"lat"`
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Lng float64 `json:"lng"`
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}
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type MapInfo struct {
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MapPackPath string `json:"map_pack_path"`
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MapPackSize int64 `json:"map_pack_size"`
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TilePathTemplate string `json:"tile_path_template"`
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MinZoom int `json:"min_zoom"`
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DefaultCenter Coords `json:"default_center"`
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}
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type Update struct {
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Create []Feature `json:"create"`
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CreatedPhotos map[FeatureID][]string `json:"created_photos"`
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AddPhotos map[FeatureID][]string `json:"add_photos"`
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Update []Feature `json:"update"`
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Delete []FeatureID `json:"delete"`
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DeletePhotos []FeaturePhotoID `json:"delete_photos"`
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}
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type HandshakeChallenge struct {
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Name string `json:"name"`
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Exists bool `json:"exists"`
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}
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type HandshakeResponse struct {
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ID UserID `json:"id"`
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Name string `json:"name"`
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MapInfo MapInfo `json:"map_info"`
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}
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type Data struct {
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Users []User `json:"users"`
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Features []Feature `json:"features"`
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PhotoMetadata map[string]PhotoMetadata `json:"photo_metadata,omitempty"`
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}
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type Photo struct {
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ContentType string
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File io.ReadCloser
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Size int64
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}
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type PhotoMetadata struct {
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ContentType string `json:"content_type"`
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Size int64 `json:"size"`
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ID FeaturePhotoID `json:"id"`
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ThumbnailFilename string `json:"thumbnail_filename"`
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}
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