Add configuration option to sync past events

Author: bengelhaupt

README.md

@@ -101,6 +101,11 @@ google.calendar.name=Outlook
 # Accepted value: integer greater than 0.
 total.sync.in.days=7
 
+# Total days to sync past events from current day, or 0 to not sync past events.
+#
+# Accepted value: integer greater than or equal to 0.
+total.sync.in.days.past=7
+
 # Next sync in minutes, or 0 to disable next run.
 #
 # Accepted value: integer.

src/main/groovy/com/github/choonchernlim/calsync/core/ExchangeToGoogleService.groovy

@@ -33,7 +33,7 @@ class ExchangeToGoogleService {
         assert userConfig
 
         DateTime dateTimeNow = dateTimeNowSupplier.get()
-        DateTime startDateTime = dateTimeNow.withTimeAtStartOfDay()
+        DateTime startDateTime = dateTimeNow.minusDays(userConfig.totalSyncDaysPast).withTimeAtStartOfDay()
         DateTime endDateTime = startDateTime.plusDays(userConfig.totalSyncDays).minusMillis(1)
 
         exchangeService.init(userConfig)

src/main/groovy/com/github/choonchernlim/calsync/core/UserConfig.groovy

@@ -14,6 +14,7 @@ class UserConfig {
     String googleClientSecretJsonFilePath
     String googleCalendarName
     Integer totalSyncDays
+    Integer totalSyncDaysPast
     Integer nextSyncInMinutes
     Boolean includeCanceledEvents
     Boolean includeEventBody

src/main/groovy/com/github/choonchernlim/calsync/core/UserConfigReader.groovy

@@ -16,6 +16,7 @@ class UserConfigReader {
     static final String GOOGLE_CLIENT_SECRET_JSON_KEY = 'google.client.secret.json.file.path'
     static final String GOOGLE_CALENDAR_NAME_KEY = 'google.calendar.name'
     static final String TOTAL_SYNC_IN_DAYS_KEY = 'total.sync.in.days'
+    static final String TOTAL_SYNC_IN_DAYS_PAST_KEY = 'total.sync.in.days.past'
     static final String NEXT_SYNC_IN_MINUTES_KEY = 'next.sync.in.minutes'
     static final String INCLUDE_CANCELED_EVENTS_KEY = 'include.canceled.events'
     static final String INCLUDE_EVENT_BODY_KEY = 'include.event.body'
@@ -78,6 +79,12 @@ class UserConfigReader {
             errors.add("${TOTAL_SYNC_IN_DAYS_KEY}: Must be greater than 0.")
         }
 
+        Integer totalSyncDaysPast = validatePropInteger(props, errors, TOTAL_SYNC_IN_DAYS_PAST_KEY)
+
+        if (totalSyncDaysPast != null && totalSyncDaysPast < 0) {
+            errors.add("${TOTAL_SYNC_IN_DAYS_PAST_KEY}: Must be greater than or equal to 0.")
+        }
+
         Integer nextSyncInMinutes = validatePropInteger(props, errors, NEXT_SYNC_IN_MINUTES_KEY)
 
         Boolean includeCanceledEvents = validatePropBoolean(props, errors, INCLUDE_CANCELED_EVENTS_KEY)
@@ -97,6 +104,7 @@ class UserConfigReader {
                 googleClientSecretJsonFilePath: googleClientSecretJsonFilePath,
                 googleCalendarName: googleCalendarName,
                 totalSyncDays: totalSyncDays,
+                totalSyncDaysPast: totalSyncDaysPast,
                 nextSyncInMinutes: nextSyncInMinutes,
                 includeCanceledEvents: includeCanceledEvents,
                 includeEventBody: includeEventBody

src/main/resources/calsync-sample.conf

@@ -44,6 +44,11 @@ google.calendar.name=Outlook
 # Accepted value: integer greater than 0.
 total.sync.in.days=7
 
+# Total days to sync past events from current day, or 0 to not sync past events.
+#
+# Accepted value: integer greater than or equal to 0.
+total.sync.in.days.past=7
+
 # Next sync in minutes, or 0 to disable next run.
 #
 # Accepted value: integer.