From 483f14d66a6d66beac6780e301a0c86c207f386e Mon Sep 17 00:00:00 2001
From: BerkieBb <82737367+BerkieBb@users.noreply.github.com>
Date: Fri, 17 Jun 2022 01:09:50 +0200
Subject: [PATCH 1/2] feat(client/functions): client side hasitem check

---
 client/functions.lua | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

diff --git a/client/functions.lua b/client/functions.lua
index 1744593..60df9f2 100644
--- a/client/functions.lua
+++ b/client/functions.lua
@@ -11,12 +11,35 @@ function QBCore.Functions.GetCoords(entity)
     return vector4(GetEntityCoords(entity), GetEntityHeading(entity))
 end
 
-function QBCore.Functions.HasItem(item)
-    local p = promise.new()
-    QBCore.Functions.TriggerCallback('QBCore:HasItem', function(result)
-        p:resolve(result)
-    end, item)
-    return Citizen.Await(p)
+function QBCore.Functions.HasItem(items, amount)
+    local isTable = type(items) == 'table'
+	local isArray = isTable and table.type(items) == 'array' or false
+	local totalItems = #items
+    local count = 0
+    local kvIndex = 2
+	if isTable and not isArray then
+        totalItems = 0
+        for _ in pairs(items) do totalItems += 1 end
+        kvIndex = 1
+    end
+    for _, itemData in pairs(QBCore.PlayerData.items) do
+        if isTable then
+            for k, v in pairs(items) do
+                local itemKV = {k, v}
+                if itemData and itemData.name == itemKV[kvIndex] and ((not amount and not isArray and itemData.amount >= v) or (isArray and amount and itemData.amount >= amount) or (not amount and isArray)) then
+                    count += 1
+                end
+            end
+            if count == totalItems then
+                return true
+            end
+        else -- Single item as string
+            if itemData and itemData.name == items and (not amount or (amount and itemData.amount >= amount)) then
+                return true
+            end
+        end
+    end
+    return false
 end
 
 -- Utility

From cc0cf6a942fc3568d79779f02afc139fe990c782 Mon Sep 17 00:00:00 2001
From: BerkieBb <82737367+BerkieBb@users.noreply.github.com>
Date: Fri, 17 Jun 2022 01:10:16 +0200
Subject: [PATCH 2/2] feat(server/functions): server side hasitem check

---
 server/functions.lua | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/server/functions.lua b/server/functions.lua
index aaf0c45..a81004d 100644
--- a/server/functions.lua
+++ b/server/functions.lua
@@ -366,3 +366,38 @@ function QBCore.Functions.IsLicenseInUse(license)
     end
     return false
 end
+
+-- Utility functions
+
+function QBCore.Functions.HasItem(source, items, amount)
+    local Player = QBCore.Functions.GetPlayer(source)
+    if not Player then return false end
+    local isTable = type(items) == 'table'
+	local isArray = isTable and table.type(items) == 'array' or false
+	local totalItems = #items
+    local count = 0
+    local kvIndex = 2
+	if isTable and not isArray then
+        totalItems = 0
+        for _ in pairs(items) do totalItems += 1 end
+        kvIndex = 1
+    end
+    if isTable then
+        for k, v in pairs(items) do
+            local itemKV = {k, v}
+            local item = Player.Functions.GetItemByName(itemKV[kvIndex])
+            if item and ((not amount and not isArray and item.amount >= v) or (isArray and amount and item.amount >= amount) or (not amount and isArray)) then
+                count += 1
+            end
+        end
+        if count == totalItems then
+            return true
+        end
+    else -- Single item as string
+        local item = Player.Functions.GetItemByName(items)
+        if item and (not amount or (amount and item.amount >= amount)) then
+            return true
+        end
+    end
+    return false
+end