show timezone in transaction list page if the timezone of transaction does not equal with client current timezone

pkg/api/transactions.go

@@ -603,13 +603,14 @@ func (a *TransactionsApi) createNewTransactionModel(uid int64, transactionCreate
 	}
 
 	transaction := &models.Transaction{
-		Uid:             uid,
-		Type:            transactionDbType,
-		CategoryId:      transactionCreateReq.CategoryId,
-		TransactionTime: utils.GetMinTransactionTimeFromUnixTime(transactionCreateReq.Time),
-		AccountId:       transactionCreateReq.SourceAccountId,
-		Amount:          transactionCreateReq.SourceAmount,
-		Comment:         transactionCreateReq.Comment,
+		Uid:               uid,
+		Type:              transactionDbType,
+		CategoryId:        transactionCreateReq.CategoryId,
+		TransactionTime:   utils.GetMinTransactionTimeFromUnixTime(transactionCreateReq.Time),
+		TimezoneUtcOffset: transactionCreateReq.UtcOffset,
+		AccountId:         transactionCreateReq.SourceAccountId,
+		Amount:            transactionCreateReq.SourceAmount,
+		Comment:           transactionCreateReq.Comment,
 	}
 
 	if transactionCreateReq.Type == models.TRANSACTION_TYPE_TRANSFER {

pkg/models/transaction.go

@@ -34,6 +34,7 @@ type Transaction struct {
 	CategoryId           int64             `xorm:"INDEX(IDX_transaction_uid_deleted_category_id_time) NOT NULL"`
 	AccountId            int64             `xorm:"INDEX(IDX_transaction_uid_deleted_account_id_time) NOT NULL"`
 	TransactionTime      int64             `xorm:"UNIQUE(UQE_transaction_uid_time) INDEX(IDX_transaction_uid_deleted_time) INDEX(IDX_transaction_uid_deleted_type_time) INDEX(IDX_transaction_uid_deleted_category_id_time) INDEX(IDX_transaction_uid_deleted_account_id_time) NOT NULL"`
+	TimezoneUtcOffset    int16             `xorm:"NOT NULL"`
 	Amount               int64             `xorm:"NOT NULL"`
 	RelatedId            int64             `xorm:"NOT NULL"`
 	RelatedAccountId     int64             `xorm:"NOT NULL"`
@@ -119,6 +120,7 @@ type TransactionInfoResponse struct {
 	Type                 TransactionType `json:"type"`
 	CategoryId           int64           `json:"categoryId,string"`
 	Time                 int64           `json:"time"`
+	UtcOffset            int16           `json:"utcOffset"`
 	SourceAccountId      int64           `json:"sourceAccountId,string"`
 	DestinationAccountId int64           `json:"destinationAccountId,string,omitempty"`
 	SourceAmount         int64           `json:"sourceAmount"`
@@ -194,6 +196,7 @@ func (t *Transaction) ToTransactionInfoResponse(tagIds []int64, editable bool) *
 		Type:                 transactionType,
 		CategoryId:           t.CategoryId,
 		Time:                 utils.GetUnixTimeFromTransactionTime(t.TransactionTime),
+		UtcOffset:            t.TimezoneUtcOffset,
 		SourceAccountId:      sourceAccountId,
 		DestinationAccountId: destinationAccountId,
 		SourceAmount:         sourceAmount,

pkg/services/transactions.go

@@ -1001,6 +1001,7 @@ func (s *TransactionService) GetRelatedTransferTransaction(originalTransaction *
 		Type:                 relatedType,
 		CategoryId:           originalTransaction.CategoryId,
 		TransactionTime:      relatedTransactionTime,
+		TimezoneUtcOffset:    originalTransaction.TimezoneUtcOffset,
 		AccountId:            originalTransaction.RelatedAccountId,
 		Amount:               originalTransaction.RelatedAccountAmount,
 		RelatedId:            originalTransaction.TransactionId,

src/views/mobile/transactions/List.vue

@@ -320,7 +320,8 @@
                                     <span>{{ transaction.comment }}</span>
                                 </div>
                                 <div slot="footer" class="transaction-footer">
-                                    <span>{{ transaction.time | moment($t('format.hourMinute.long')) }}</span>
+                                    <span>{{ transaction.time | applyTimezoneOffset(transaction.utcOffset, currentTimezoneOffsetMinutes) | moment($t('format.hourMinute.long')) }}</span>
+                                    <span v-if="transaction.utcOffset !== currentTimezoneOffsetMinutes">{{ transaction.utcOffset | utcOffset }}</span>
                                     <span v-if="transaction.sourceAccount">·</span>
                                     <span v-if="transaction.sourceAccount">{{ transaction.sourceAccount.name }}</span>
                                     <span v-if="transaction.sourceAccount && transaction.type === $constants.transaction.allTransactionTypes.Transfer && transaction.destinationAccount && transaction.sourceAccount.id !== transaction.destinationAccount.id">→</span>
@@ -529,6 +530,9 @@ export default {
 
             return this.$store.getters.currentUserDefaultCurrency || this.$t('default.currency');
         },
+        currentTimezoneOffsetMinutes() {
+            return this.$utilities.getTimezoneOffsetMinutes();
+        },
         firstDayOfWeek() {
             if (this.$utilities.isNumber(this.$store.getters.currentUserFirstDayOfWeek)) {
                 return this.$store.getters.currentUserFirstDayOfWeek;
@@ -864,6 +868,31 @@ export default {
                 color: 'transparent'
             }
         },
+        applyTimezoneOffset(unixTime, utcOffsetMinutes, currentTimezoneOffsetMinutes) {
+            return unixTime + (utcOffsetMinutes - currentTimezoneOffsetMinutes) * 60;
+        },
+        utcOffset(utcOffsetMinutes) {
+            let offsetHours = parseInt(Math.abs(utcOffsetMinutes) / 60);
+            let offsetMinutes = Math.abs(utcOffsetMinutes) - offsetHours * 60;
+
+            if (offsetHours < 10) {
+                offsetHours = '0' + offsetHours;
+            }
+
+            if (offsetMinutes < 10) {
+                offsetMinutes = '0' + offsetMinutes;
+            }
+
+            let utcOffset = '';
+
+            if (utcOffsetMinutes > 0) {
+                utcOffset = `+${offsetHours}:${offsetMinutes}`;
+            } else if (utcOffsetMinutes < 0) {
+                utcOffset = `-${offsetHours}:${offsetMinutes}`;
+            }
+
+            return `(UTC${utcOffset})`;
+        },
         dateRangeName(dateRangeType, allDateRanges, defaultName) {
             if (dateRangeType === allDateRanges.All.type) {
                 return defaultName;