fix(timezones): move from utc offsets to timezones

This fixed various issues related to calculating streaks, etc. Now we
appropriately handle time as it was, vs as it is relative to an offset.

api/app-routes.go

@@ -69,7 +69,7 @@ type requestDocumentIdentify struct {
 type requestSettingsEdit struct {
 	Password    *string `form:"password"`
 	NewPassword *string `form:"new_password"`
-	TimeOffset  *string `form:"time_offset"`
+	Timezone    *string `form:"timezone"`
 }
 
 type requestDocumentAdd struct {
@@ -299,8 +299,8 @@ func (api *API) appGetSettings(c *gin.Context) {
 	}
 
 	templateVars["Data"] = gin.H{
-		"TimeOffset": *user.TimeOffset,
-		"Devices":    devices,
+		"Timezone": *user.Timezone,
+		"Devices":  devices,
 	}
 
 	c.HTML(http.StatusOK, "page/settings", templateVars)
@@ -869,7 +869,7 @@ func (api *API) appEditSettings(c *gin.Context) {
 	}
 
 	// Validate Something Exists
-	if rUserSettings.Password == nil && rUserSettings.NewPassword == nil && rUserSettings.TimeOffset == nil {
+	if rUserSettings.Password == nil && rUserSettings.NewPassword == nil && rUserSettings.Timezone == nil {
 		log.Error("Missing Form Values")
 		appErrorPage(c, http.StatusBadRequest, "Invalid or missing form values")
 		return
@@ -901,9 +901,9 @@ func (api *API) appEditSettings(c *gin.Context) {
 	}
 
 	// Set Time Offset
-	if rUserSettings.TimeOffset != nil {
+	if rUserSettings.Timezone != nil {
 		templateVars["TimeOffsetMessage"] = "Time Offset Updated"
-		newUserSettings.TimeOffset = rUserSettings.TimeOffset
+		newUserSettings.Timezone = rUserSettings.Timezone
 	}
 
 	// Update User
@@ -931,8 +931,8 @@ func (api *API) appEditSettings(c *gin.Context) {
 	}
 
 	templateVars["Data"] = gin.H{
-		"TimeOffset": *user.TimeOffset,
-		"Devices":    devices,
+		"Timezone": *user.Timezone,
+		"Devices":  devices,
 	}
 
 	c.HTML(http.StatusOK, "page/settings", templateVars)