fix 11.0.2 deprecated/removed api functions

Author: wardz

.luacheckrc

@@ -84,4 +84,6 @@ read_globals = {
     "UnitChannelInfo",
     "UnitIsFriend",
     "strsplit",
+    "C_AddOns",
+    "C_Spell",
 }

ClassicCastbars/ClassicCastbars.lua

@@ -140,7 +140,13 @@ function ClassicCastbars:BindCurrentCastData(castbar, unitID, isChanneled, chann
 
         -- HACK: UnitChannelInfo is bugged for classic era, tmp fallback method
         if channelSpellID and not spellName then
-            spellName, _, iconTexturePath = GetSpellInfo(channelSpellID)
+            if C_Spell.GetSpellInfo then
+                local info = C_Spell.GetSpellInfo(channelSpellID)
+                spellName = info and info.name
+                iconTexturePath = info and info.iconID
+            else
+                spellName, _, iconTexturePath = GetSpellInfo(channelSpellID)
+            end
             local channelCastTime = spellName and channeledSpells[spellName]
             if not channelCastTime then return end
 

ClassicCastbars/core/ClassicSpellData.lua

@@ -5,6 +5,8 @@ local CLIENT_IS_CLASSIC_ERA = (WOW_PROJECT_ID == WOW_PROJECT_CLASSIC)
 
 if not CLIENT_IS_TBC and not CLIENT_IS_CLASSIC_ERA then return end
 
+local GetSpellInfo = C_Spell and C_Spell.GetSpellName or _G.GetSpellInfo
+
 local physicalClasses = {
     ["WARRIOR"] = true,
     ["ROGUE"] = true,

ClassicCastbars/core/LoadOptionsOnDemand.lua

@@ -8,8 +8,8 @@ SLASH_CLASSICCASTBARS6 = "/classicastbars"
 local isLoaded = false
 
 GameMenuFrame:HookScript("OnShow", function()
-    if not isLoaded and not IsAddOnLoaded("ClassicCastbars_Options") then
-        local loaded, reason = LoadAddOn("ClassicCastbars_Options")
+    if not isLoaded and not C_AddOns.IsAddOnLoaded("ClassicCastbars_Options") then
+        local loaded, reason = C_AddOns.LoadAddOn("ClassicCastbars_Options")
         if not loaded and reason == "DISABLED" then
             isLoaded = true -- disabled, dont attempt to load it anymore
             return
@@ -20,9 +20,9 @@ GameMenuFrame:HookScript("OnShow", function()
 end)
 
 SlashCmdList["CLASSICCASTBARS"] = function()
-    if not IsAddOnLoaded("ClassicCastbars_Options") then
+    if not C_AddOns.IsAddOnLoaded("ClassicCastbars_Options") then
         if not isLoaded then
-            local loaded, reason = LoadAddOn("ClassicCastbars_Options")
+            local loaded, reason = C_AddOns.LoadAddOn("ClassicCastbars_Options")
             if not loaded and reason == "DISABLED" then
                 isLoaded = true -- disabled, dont attempt to load it anymore
                 return print(string.format(_G.ADDON_LOAD_FAILED, "ClassicCastbars_Options", _G["ADDON_" .. reason] or _G.ADDON_UNKNOWN_ERROR)) -- luacheck: ignore

ClassicCastbars_Options/ClassicCastbars_Options.lua

@@ -622,6 +622,8 @@ local function CreateUnitTabGroup(unitID, localizedUnit, order)
     }
 end
 
+local GetAddOnMetadata = C_AddOns and C_AddOns.GetAddOnMetadata or _G.GetAddOnMetadata
+
 local function GetOptionsTable()
     return { -- only create table on demand
         type = "group",

ClassicCastbars_Options/TestMode.lua

@@ -2,8 +2,11 @@ local L = LibStub("AceLocale-3.0"):GetLocale("ClassicCastbars")
 local TestMode = CreateFrame("Frame", "ClassicCastbars_TestMode")
 TestMode.isTesting = {}
 
+local GetSpellName = C_Spell and C_Spell.GetSpellName or _G.GetSpellInfo
+local GetSpellTexture = C_Spell and C_Spell.GetSpellTexture or _G.GetSpellTexture
+
 local dummySpellData = {
-    spellName = GetSpellInfo(118),
+    spellName = GetSpellName(118),
     icon = GetSpellTexture(118),
     spellID = 118,
     maxValue = 10,