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addons/sam-master/lua/sam/sh_permissions.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+if SAM_LOADED then return end
+
+local permissions = {}
+
+local give_permission
+if SERVER then
+	local permissions_to_add = {}
+
+	give_permission = function(name, permission)
+		if sam.ranks.ranks_loaded() then
+			local rank = sam.ranks.get_rank(name)
+			if rank and rank.data.permissions[permission] == nil then
+				sam.ranks.give_permission(name, permission)
+			end
+		else
+			table.insert(permissions_to_add, {name, permission})
+		end
+	end
+
+	hook.Add("SAM.LoadedRanks", "SAM.Command.GivePermissions", function()
+		for k, v in ipairs(permissions_to_add) do
+			give_permission(v[1], v[2])
+		end
+	end)
+end
+
+local get_next_Other = function()
+	for i, v in ipairs(permissions) do
+		if v.category == "Other" then
+			return i
+		end
+	end
+	return #permissions + 1
+end
+
+function sam.permissions.add(permission, category, rank)
+	if not sam.isstring(category) then
+		category = "Other"
+	end
+
+	local permission_data = {
+		name = permission,
+		category = category,
+		rank = rank,
+		value = value
+	}
+
+	local index = sam.permissions.get_index(permission)
+	if not index then
+		if category ~= "Other" then
+			table.insert(permissions, get_next_Other(), permission_data)
+		else
+			table.insert(permissions, permission_data)
+		end
+		hook.Call("SAM.AddedPermission", nil, permission, category, rank, value)
+	else
+		permissions[index] = permission_data
+		hook.Call("SAM.PermissionModified", nil, permission, category, rank, value)
+	end
+
+	if SERVER and rank then
+		give_permission(rank, permission)
+	end
+end
+
+function sam.permissions.get_index(permission)
+	for i, v in ipairs(permissions) do
+		if v.name == permission then
+			return i
+		end
+	end
+end
+
+function sam.permissions.remove(permission)
+	local index = sam.permissions.get_index(permission)
+	if index then
+		table.remove(permissions, index)
+		hook.Call("SAM.RemovedPermission", nil, permission)
+	end
+end
+
+function sam.permissions.exists(permission)
+	return sam.permissions.get_index(permission) and true or false
+end
+
+function sam.permissions.get()
+	return permissions
+end