introduced color templates to manage the colors in a central way

created member author macro
created full member info macro
created member name macro
replaced some missed places with translation templates
made some templates for translation easier

abstracto-modules/modmail/src/main/resources/en_US/command/contact/modmail_thread_already_exists_embed_en_US.ftl

@@ -1,13 +1,7 @@
 {
-  "author": {
-    "name": "${member.effectiveName?js_string}",
-    "avatar":  "${member.user.effectiveAvatarUrl}"
-  },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "member_author">
+  <@member_author member=member/>,
+  <#include "modmail_color">,
   "description": "<@safe_include "modmail_thread_already_exists"/>",
   "fields": [
      {

abstracto-modules/modmail/src/main/resources/en_US/config/colors/modmail_color_en_US.ftl

@@ -0,0 +1,5 @@
+"color" : {
+    "r": 26,
+    "g": 201,
+    "b": 61
+}

abstracto-modules/modmail/src/main/resources/en_US/exception/modmail_exception_cannot_message_user_embed_en_US.ftl

@@ -3,10 +3,6 @@
     "name": "${user.member.effectiveName?js_string}",
     "avatar":  "${user.member.user.effectiveAvatarUrl}"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "exception_color">,
   "description": "<@safe_include "reply_exception_cannot_send_message_to_use"/>"
 }

abstracto-modules/modmail/src/main/resources/en_US/exception/modmail_exception_failed_to_create_mod_mail_thread_embed_en_US.ftl

@@ -3,10 +3,6 @@
     "name": "${user.member.effectiveName?js_string}",
     "avatar":  "${user.member.user.effectiveAvatarUrl}"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "exception_color">,
   "description": "<@safe_include "modmail_failed_to_create_mod_mail_thread"/>"
 }

abstracto-modules/modmail/src/main/resources/en_US/exception/modmail_exception_generic_embed_en_US.ftl

@@ -3,10 +3,6 @@
     "name": "${user.member.effectiveName?js_string}",
     "avatar":  "${user.member.user.effectiveAvatarUrl}"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "exception_color">,
   "description": "<@safe_include "modmail_generic_error"/>"
 }

abstracto-modules/modmail/src/main/resources/en_US/exception/modmail_exception_post_target_not_defined_embed_en_US.ftl

@@ -3,10 +3,6 @@
     "name": "${user.member.effectiveName?js_string}",
     "avatar":  "${user.member.user.effectiveAvatarUrl}"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "exception_color">,
   "description": "<@safe_include "modmail_post_target_error"/>"
 }

abstracto-modules/modmail/src/main/resources/en_US/listener/messageReceived/modmail_no_server_available_embed_en_US.ftl

@@ -1,8 +1,4 @@
 {
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "warning_color">,
   "description": "<@safe_include "modmail_no_server_available"/>"
 }

abstracto-modules/modmail/src/main/resources/en_US/listener/messageReceived/modmail_notification_message_embed_en_US.ftl

@@ -1,17 +1,11 @@
 {
-  "author": {
-    "name": "${threadUser.member.effectiveName?js_string}",
-    "avatar":  "${threadUser.member.user.effectiveAvatarUrl}"
-  },
+  <#include "member_author">
+  <@member_author member=threadUser.member/>,
   "title": {
     "title": "<@safe_include "modmail_notification_message_title"/>"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
-  <#assign user>${threadUser.member.effectiveName?js_string}#${threadUser.member.user.discriminator}(${threadUser.member.user.id})</#assign>
+  <#include "modmail_color">,
+  <#assign user><@member_user_name member=threadUser.member/>(${threadUser.member.user.id})</#assign>
   "description": "<@safe_include "modmail_notification_message_description"/>"
   <#if roles?size gt 0>
   ,"additionalMessage": "<#list roles as role>${role.role.asMention?js_string}<#sep>,</#list>"

abstracto-modules/modmail/src/main/resources/en_US/listener/messageReceived/modmail_user_message_embed_en_US.ftl

@@ -1,16 +1,10 @@
 {
-  "author": {
-    "name": "${threadUser.member.effectiveName?js_string}",
-    "avatar":  "${threadUser.member.user.effectiveAvatarUrl}"
-  },
+  <#include "member_author">
+  <@member_author member=threadUser.member/>,
   "title": {
     "title": "<@safe_include "modmail_thread_user_message_title"/>"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "modmail_color">,
   <#if postedMessage.contentRaw?has_content>
     "description": "${postedMessage.contentRaw?js_string}"
   </#if>

abstracto-modules/modmail/src/main/resources/en_US/modmail/closing/logging/modmail_close_header_embed_en_US.ftl

@@ -2,11 +2,7 @@
   "title": {
       "title": "<@safe_include "modmail_closing_notification_title"/>"
     },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "modmail_color">,
   <#assign messageCount>${closedThread.messages?size}</#assign>
   <#assign user>user</#assign>
   <#assign startDate>${formatDate(closedThread.created,"yyyy-MM-dd HH:mm:ss")}</#assign>

abstracto-modules/modmail/src/main/resources/en_US/modmail/closing/logging/modmail_close_logged_message_embed_en_US.ftl

@@ -1,13 +1,7 @@
 {
-  "author": {
-    "name": "${author.member.effectiveName?js_string}",
-    "avatar":  "${author.member.user.effectiveAvatarUrl}"
-  },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  }
+  <#include "member_author">
+  <@member_author member=author.member/>,
+  <#include "modmail_color">,
   <#if message.embeds[0].description?has_content>
   ,"description": "${message.embeds[0].description?js_string}"
   </#if>

abstracto-modules/modmail/src/main/resources/en_US/modmail/closing/modmail_closing_user_message_embed_en_US.ftl

@@ -1,8 +1,4 @@
 {
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
+  <#include "modmail_color">,
   "description": "${closingMessage?js_string}"
 }

abstracto-modules/modmail/src/main/resources/en_US/modmail/modmail_staff_message_embed_en_US.ftl

@@ -1,16 +1,10 @@
 {
-  "author": {
-    "name": "${moderator.effectiveName?js_string}",
-    "avatar": "${moderator.user.effectiveAvatarUrl}"
-  },
+  <#include "member_author">
+  <@member_author member=moderator/>,
   "title": {
     "title": "<@safe_include "modmail_thread_staff_message_title"/>"
   },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  }
+  <#include "modmail_color">,
   <#if text?has_content>
    , "description": "${text?js_string}"
   </#if>

abstracto-modules/modmail/src/main/resources/en_US/modmail/modmail_thread_header_embed_en_US.ftl

@@ -1,14 +1,8 @@
 {
-  "author": {
-    "name": "${threadUser.member.effectiveName?js_string}",
-    "avatar":  "${threadUser.member.user.effectiveAvatarUrl}"
-  },
-  "color" : {
-    "r": 200,
-    "g": 0,
-    "b": 255
-  },
-  <#assign user>${threadUser.member.effectiveName?js_string}#${threadUser.member.user.discriminator} (${threadUser.member.user.id})</#assign>
+  <#include "member_author">
+  <@member_author member=threadUser.member/>,
+  <#include "modmail_color">,
+  <#assign user><@member_user_name member=threadUser.member/> (${threadUser.member.user.id})</#assign>
   <#assign joinDate>${threadUser.member.timeJoined}</#assign>
   <#assign roles><#list threadUser.member.roles as role>${role.asMention?js_string}<#sep>,<#else><@safe_include "modmail_thread_header_no_roles"/></#list></#assign>
   "description": "<@safe_include "modmail_thread_header_embed_description"/>"