feat(getCore/server): hasGroup method

imports/getCore/es_extended/server.lua

@@ -16,5 +16,31 @@ return function(resource)
 		return setmetatable(player, CPlayer)
 	end
 
+	function CPlayer:hasGroup(filter)
+		local type = type(filter)
+
+		if type == 'string' then
+			if self.job.name == filter then
+				return self.job.name, self.job.grade
+			end
+		else
+			local tabletype = table.type(filter)
+
+			if tabletype == 'hash' then
+				local grade = filter[self.job.name]
+
+				if grade and grade <= self.job.grade then
+					return self.job.name, self.job.grade
+				end
+			elseif tabletype == 'array' then
+				for i = 1, #filter do
+					if self.job.name == filter[i] then
+						return self.job.name, self.job.grade
+					end
+				end
+			end
+		end
+	end
+
 	return ESX
 end

imports/getCore/qb-core/client.lua

@@ -58,7 +58,7 @@ return function(resource)
 						local data = PlayerData[groups[j]]
 
 						if data.name == group then
-							return data.group.name, data.grade.level
+							return data.name, data.grade.level
 						end
 					end
 				end

imports/getCore/qb-core/server.lua

@@ -16,5 +16,46 @@ return function(resource)
 		return setmetatable(player, CPlayer)
 	end
 
+	local groups = { 'job', 'gang' }
+
+	function CPlayer:hasGroup(filter)
+		local type = type(filter)
+
+		if type == 'string' then
+			for i = 1, #groups do
+				local data = self.PlayerData[groups[i]]
+
+				if data.name == filter then
+					return data.name, data.grade.level
+				end
+			end
+		else
+			local tabletype = table.type(filter)
+
+			if tabletype == 'hash' then
+				for i = 1, #groups do
+					local data = self.PlayerData[groups[i]]
+					local grade = filter[data.name]
+
+					if grade and grade <= data.grade.level then
+						return data.name, data.grade.level
+					end
+				end
+			elseif tabletype == 'array' then
+				for i = 1, #filter do
+					local group = filter[i]
+
+					for j = 1, #groups do
+						local data = self.PlayerData[groups[j]]
+
+						if data.name == group then
+							return data.name, data.grade.level
+						end
+					end
+				end
+			end
+		end
+	end
+
 	return QBCore
 end