2024-08-21 16:35:44 +02:00
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package handler
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import (
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"encoding/json"
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"fmt"
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2024-08-26 07:45:41 +02:00
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"io"
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2024-08-21 16:35:44 +02:00
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"net/http"
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2024-08-22 07:18:50 +02:00
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"time"
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2024-08-21 16:35:44 +02:00
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2024-08-26 07:45:41 +02:00
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"code.ewintr.nl/planner/planner"
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2024-08-21 16:35:44 +02:00
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"code.ewintr.nl/planner/storage"
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)
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func Index(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, `{"status":"ok"}`)
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}
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2024-08-26 07:45:41 +02:00
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type ChangeSummary struct {
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Updated []planner.Syncable
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Deleted []string
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}
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2024-08-23 10:52:17 +02:00
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func NewSyncHandler(mem storage.Syncer) func(w http.ResponseWriter, r *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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2024-08-26 07:45:41 +02:00
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switch r.Method {
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case http.MethodGet:
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timestamp := time.Time{}
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tsStr := r.URL.Query().Get("ts")
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if tsStr != "" {
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var err error
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if timestamp, err = time.Parse(time.RFC3339, tsStr); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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}
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items, err := mem.Updated(timestamp)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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2024-08-22 07:18:50 +02:00
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return
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}
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2024-08-26 07:45:41 +02:00
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deleted, err := mem.Deleted(timestamp)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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2024-08-21 16:35:44 +02:00
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2024-08-26 07:45:41 +02:00
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result := ChangeSummary{
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Updated: items,
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Deleted: deleted,
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}
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2024-08-21 16:35:44 +02:00
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2024-08-26 07:45:41 +02:00
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body, err := json.Marshal(result)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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2024-08-23 10:52:17 +02:00
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2024-08-26 07:45:41 +02:00
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fmt.Fprint(w, string(body))
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case http.MethodPost:
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body, err := io.ReadAll(r.Body)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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defer r.Body.Close()
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2024-08-21 16:35:44 +02:00
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2024-08-26 07:45:41 +02:00
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var changes ChangeSummary
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if err := json.Unmarshal(body, changes); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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}
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for _, updated := range changes.Updated {
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if err := mem.Update(updated); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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for _, deleted := range changes.Deleted {
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if err := mem.Delete(deleted); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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w.WriteHeader(http.StatusNoContent)
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}
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2024-08-23 10:52:17 +02:00
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}
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2024-08-21 16:35:44 +02:00
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}
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