help with ttt taser

[npd1124]

so i got a taser code from a friend and it works great but you can only use it once then th "battery" is dead on it can someone help me make it so that you can use it more than once and that the battery just needs to recharge after each use
the code is this any help would be greatly appreciated

if SERVER then
   AddCSLuaFile( "shared.lua" )
end

SWEP.HoldType = "pistol"

if CLIENT then

   SWEP.PrintName    = "Taser"
   SWEP.Slot         = 6

   SWEP.ViewModelFlip = false

   SWEP.EquipMenuData = {
      type = "item_weapon",
      desc = "Knock someone out for 30 seconds. Only useable once. Can purchase again."
   };

   SWEP.Icon = "vgui/ttt/icon_skull.vmt"
end

SWEP.Base               = "weapon_tttbase"

SWEP.ViewModel          = "models/weapons/v_pistol.mdl"
SWEP.WorldModel         = "models/weapons/w_pistol.mdl"

SWEP.DrawCrosshair      = true
SWEP.Primary.Damage         = 5
SWEP.Primary.ClipSize       = -1
SWEP.Primary.DefaultClip    = -1
SWEP.Primary.Automatic      = true
SWEP.Primary.Delay = 1.1
SWEP.Primary.Ammo       = "none"
SWEP.Secondary.ClipSize     = -1
SWEP.Secondary.DefaultClip  = -1
SWEP.Secondary.Automatic    = true
SWEP.Secondary.Ammo     = "none"
SWEP.Secondary.Delay = 1.4

SWEP.Kind = WEAPON_EQUIP
SWEP.CanBuy = {ROLE_DETECTIVE} -- only traitors can buy
SWEP.LimitedStock = false -- only buyable once
SWEP.WeaponID = AMMO_TASER

SWEP.IsSilent = false

-- Pull out faster than standard guns
SWEP.DeploySpeed = 2

SWEP.Used = false

local taseredrags = {}

function SWEP:Initialize()
        hook.Add("TTTEndRound", "DontTaseMeBro", function()
                self.Used = true
        end)
end

function SWEP:PrimaryAttack()
if self.Used then
                self.Owner:PrintMessage( HUD_PRINTCENTER, "Batteries Depleted. Taser Useless." )
                return
        end
        local eyetrace = self.Owner:GetEyeTrace();

        if !eyetrace.Entity:IsPlayer() then return end

        self.Weapon:EmitSound( "Weapon_StunStick.Activate")

        self.BaseClass.ShootEffects( self )

        if not IsValid(eyetrace.Entity) or (self.Owner:EyePos():Distance(eyetrace.Entity:GetPos()) > 150) or not eyetrace.Entity:IsPlayer() then return end

        if CLIENT then return end

        if eyetrace.Entity:IsPlayer() then

                self.Owner:PrintMessage( HUD_PRINTCENTER, "Now right click to electrocute "..eyetrace.Entity:GetName( ) )

                self:tasePlayer(eyetrace.Entity)    // If the it is a player then bring them down tranqPlayer()
                self.Used = true

        end
end

function SWEP:tasePlayer(ply)
        if not ply:Alive() then return end

        if ply:InVehicle() then
                local vehicle = ply:GetParent()
                ply:ExitVehicle()
        end

        ULib.getSpawnInfo( ply ) -- Collect information so we can respawn them in the same state.

        local ragdoll = ents.Create( "prop_ragdoll" )
        ragdoll.ragdolledPly = ply

        ragdoll:SetPos( ply:GetPos() )
        local velocity = ply:GetVelocity()
        ragdoll:SetAngles( ply:GetAngles() )
        ragdoll:SetModel( ply:GetModel() )
        ragdoll:Spawn()
        ragdoll:Activate()
        ply:SetParent( ragdoll ) -- So their player ent will match up (position-wise) with where their ragdoll is.
                                -- Set velocity for each peice of the ragdoll
        local j = 1
        while true do -- Break inside
                local phys_obj = ragdoll:GetPhysicsObjectNum( j )
                if phys_obj then
                        phys_obj:SetVelocity( velocity )
                        j = j + 1
                else
                        break
                end
        end

        table.insert(taseredrags, ragdoll)

ply:Spectate( OBS_MODE_CHASE )
        ply:SpectateEntity( ragdoll )
        ply:StripWeapons() -- Otherwise they can still use the weapons.

        ragdoll:DisallowDeleting( true, function( old, new ) ply.ragdoll = new end )

        ply:DisallowSpawning( true )

        ply.ragdoll = ragdoll
        ply:PrintMessage( HUD_PRINTCENTER, "You have been tasered. 30 seconds till revival" )

        timer.Create("revivedelay"..ply:UniqueID(), 30, 1, function () taserrevive( ply ) end )
end

function taserrevive(ply)
        ply:DisallowSpawning( false )
        ply:SetParent()

        ply:UnSpectate() -- Need this for DarkRP for some reason, works fine without it in sbox

        local ragdoll = ply.ragdoll
        ply.ragdoll = nil -- Gotta do this before spawn or our hook catches it

        if not ragdoll:IsValid() then -- Something must have removed it, just spawn
                ULib.spawn( ply, true )
        else
                local pos = ragdoll:GetPos()
                pos.z = pos.z + 10 -- So they don't end up in the ground

                ULib.spawn( ply, true )
                ply:SetPos( pos )
                ply:SetVelocity( ragdoll:GetVelocity() )
                local yaw = ragdoll:GetAngles().yaw
                ply:SetAngles( Angle( 0, yaw, 0 ) )
                ragdoll:DisallowDeleting( false )
                ragdoll:Remove()
        end
        for k, v in pairs(taseredrags) do
                table.remove( taseredrags, k )
        end
end

function SWEP:SecondaryAttack()

        if table.Count( taseredrags ) == 0 then return end



        self.Owner:EmitSound( "Weapon_Pistol.Empty")

        self.Owner:EmitSound( "Weapon_SMG1.Empty")

        if CLIENT then return end



        for k, v in pairs(taseredrags) do

                local shock1 = math.random(-1200, 1200 )
 local shock2 = math.random(-1200, 1200 )

                local shock3 = math.random(-1200, 1200 )

                if not v:IsValid() then return end
                v:GetPhysicsObject():ApplyForceCenter( Vector( shock1, shock2, shock3 ) )
        end
end