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-- the interfaces controller
module (..., package.seeall)
-- Cause an http redirect to our "read" action
-- We use the self.conf table because it already has prefix,controller,etc
-- The redir code is defined in the application error handler (acf-controller)
local list_redir = function (self)
self.conf.action = "read"
self.conf.type = "redir"
error (self.conf)
end
local pvt = {}
mvc= {}
mvc.on_load = function(self, parent)
-- If they try to run a bogus action, send them to read
if ( rawget(self.worker, self.conf.action) == nil ) then
list_redir(self)
end
pvt.parent_on_exec = parent.worker.mvc.post_exec
--logit ("interfaces controller on_load has finished")
end
mvc.pre_exec = function (self)
--logit ("interfaces-controller pre_exec activated")
-- pvt.parent_on_exec ()
end
mvc.post_exec = function ( self )
--logit ("interfaces-controller post_exec activated")
return pvt.parent_on_exec()
end
read = function (self )
local iface = self.model.get_all_interfaces()
-- these actions are available for each interface
-- **FIXME** This is technically wrong. The controller should pass
-- the "script" "prefix" "controller" "action" as separate fields,
-- since the view could be a cli, not a web interface. the VIEW
-- should make a uri from these these elements.
local actions = { link = ENV["SCRIPT_NAME"] .. self.conf.prefix ..
self.conf.controller .. "/",
action = { "create", "read", "update", "delete" } }
return ( { actions = actions, iface = iface } )
end
-- Accepts form info
-- Returns a cfe object (the form)
update = function(self)
local iface = self.clientdata.iface or ""
local result
local data
-- If interface is not found, return to list
result, data = self.model.get_iface_by_name ( iface )
if result == false then
list_redir(self)
end
-- If the "cmd" button was used, then attempt to do the update
if self.clientdata.cmd then
-- update the iface info the form gave us
for k,v in pairs (data) do
if self.clientdata[k] then
data[k].value = self.clientdata[k]
end
end
result, data = self.model.update_iface_by_name ( data, data.name.value )
-- If validation worked then return to list
if result == true then
list_redir(self)
end
end
-- If we reach this point in the function, then we are providing a form
-- for the user to edit (either first time in, or validation failed)
-- Add a command button
data.cmd = cfe({type="action", value="save", label="action"})
return ( cfe ({type="form",
option={ script=ENV["SCRIPT_NAME"],
prefix=self.conf.prefix,
controller = self.conf.controller,
action = "update",
extra = "?iface=" .. data.name.value },
value = data} ) )
end
delete = function(self)
local iface = self.clientdata.iface or ""
local result
local data
-- If the interface doesn't exist, return to the list now
result, data = self.model.get_iface_by_name ( iface )
if result == false then
list_redir(self)
end
-- If the cmd button was pressed, then commit the change
if self.clientdata.cmd then
if self.clientdata.cmd == "delete" then
self.model.delete_iface_by_name (iface)
end
list_redir(self)
end
-- Otherwise, return a form
local me = {}
me.iface = cfe({value = self.clientdata.iface })
me.action1 = cfe({name="cmd", type="action", value="delete", label="action"})
me.action2 = cfe({name="cmd", type="action", value="cancel", label="action"})
return ( cfe ({type="form",
option={ script=ENV["SCRIPT_NAME"],
prefix=self.conf.prefix,
controller = self.conf.controller,
action = "delete",
extra = "?iface=" .. (self.clientdata.iface or "") },
value = me} ) )
end
create = function(self)
local iface = self.clientdata.iface or ""
local index = 0
local result, data = self.model.get_iface_by_name ()
-- If the "cmd" button was used, then attempt to do the insert
if self.clientdata.cmd then
for k,v in pairs (data) do
if self.clientdata[k] then
data[k].value = self.clientdata[k]
end
end
result, data = self.model.create_iface_by_name ( iface, data )
if result then
list_redir(self)
end
end
-- If we reach this point in the function, we are providing a form
-- Add a command button
data.cmd = cfe({type="action", value="save", label="action"})
return ( cfe ({type="form",
option={ script=ENV["SCRIPT_NAME"],
prefix=self.conf.prefix,
controller = self.conf.controller,
action = "create",
extra = "?iface=" .. iface or "" },
value = data} ) )
end
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