Add support for members and permissions

Fixes #22

mods/capitalism/banking/tests/api_spec.lua

@@ -76,7 +76,7 @@ describe("banking", function()
 
 		local comp = company.Company:new()
 		comp:set_title_calc_name("Two")
-		comp.owner = "testuser"
+		comp.ceo = "testuser"
 		company.add(comp)
 
 		assert.is_false(banking.transfer("a", "c:two", "c:test", 10, nil))

mods/capitalism/company/api.lua

@@ -127,6 +127,50 @@ function company.get_companies_for_player(pname)
 	return comps
 end
 
+function company.set_perms(comp, actor, target, permission, is_grant)
+	if not comp:check_perm(actor, "MANAGE_MEMBERS",
+			{ action = "add", name = "username" }) then
+		return false, "Missing permission: MANAGE_MEMBERS"
+	end
+
+	if target == comp:get_ceo_name() then
+		if is_grant then
+			return false, "The CEO already has all permissions"
+		else
+			return false, "Permissions cannot be revoked from the CEO"
+		end
+	end
+
+	permission = permission:upper()
+	if permission ~= "ALL" and not company.permissions[permission] then
+		return false, "Unknown permission " .. permission
+	end
+
+	local member = comp.members[target]
+	if not member then
+		return false, target .. " is not a member of " .. comp.title
+	end
+
+	if permission == "ALL" then
+		for key in pairs(company.permissions) do
+			member.perms[key] = is_grant
+		end
+	else
+		member.perms[permission] = is_grant
+	end
+
+	company.dirty = true
+
+	local perms = {}
+	for key, value in pairs(member.perms) do
+		if value then
+			perms[#perms + 1] = key
+		end
+	end
+
+	return true, "Permissions: " .. table.concat(perms, ", ")
+end
+
 company.registered_on_creates = {}
 function company.register_on_create(func)
 	assert(type(func) == "function")

mods/capitalism/company/chatcmds.lua

@@ -2,6 +2,7 @@ local adt = audit("company.cmd")
 
 ChatCmdBuilder.types.comp  = "(c:[a-z]+)"
 ChatCmdBuilder.types.owner = "(c?:?[a-z]+)"
+ChatCmdBuilder.types.alpha = "([A-Za-z_]+)"
 
 ChatCmdBuilder.new("company", function(cmd)
 	cmd:sub("list", function(name)
@@ -17,7 +18,7 @@ ChatCmdBuilder.new("company", function(cmd)
 	cmd:sub("register :title:text", function(name, title)
 		local comp = company.Company:new()
 		comp:set_title_calc_name(title)
-		comp.owner = name
+		comp.ceo = name
 
 		if #title < 3 then
 			return false, "Company names must be at least 3 characters"
@@ -59,6 +60,87 @@ ChatCmdBuilder.new("company", function(cmd)
 			return false, "No company by the name '" .. cname  .. "' found"
 		end
 	end)
+
+	cmd:sub("member :username:username", function(name, username)
+		local comp = company.get_active(name)
+		if not comp then
+			return false, "Select a company by doing  /company use <NAME>"
+		end
+
+		if comp:get_ceo_name() == username then
+			return false, username .. " is the CEO of " .. comp.title
+		end
+
+		local member = comp.members[username]
+		if not member then
+			return false, username .. " is not a member of " .. comp.title
+		end
+
+		local perms = {}
+		for key, value in pairs(member.perms) do
+			if value then
+				perms[#perms + 1] = key
+			end
+		end
+
+		return true, username .. " is a member of " .. comp.title ..
+				"\nPermissions: " .. table.concat(perms, ", ")
+	end)
+
+	cmd:sub("add :username:username", function(name, username)
+		local comp = company.get_active(name)
+		if not comp then
+			return false, "Select a company by doing  /company use <NAME>"
+		end
+
+		if not comp:check_perm(name, "MANAGE_MEMBERS",
+				{ action = "add", name = "username" }) then
+			return false, "Missing permission: MANAGE_MEMBERS"
+		end
+
+		if comp:get_ceo_name() == username then
+			return false, username .. " is the CEO of " .. comp.title
+		end
+
+		if comp.members[username] then
+			return false, username .. " is already a member of " .. comp.title
+		end
+
+		if not minetest.player_exists(username) then
+			return false, username .. " doesn't exist"
+		end
+
+		local member = comp:add_member(username)
+		company.dirty = true
+
+		local perms = {}
+		for key, value in pairs(member.perms) do
+			if value then
+				perms[#perms + 1] = key
+			end
+		end
+
+		return true, "Added " .. username .. " to " .. comp.title ..
+				"\nPermissions: " .. table.concat(perms, ", ")
+	end)
+
+	cmd:sub("grant :username:username :permission:alpha", function(name, username, permission)
+		local comp = company.get_active(name)
+		if not comp then
+			return false, "Select a company by doing  /company use <NAME>"
+		end
+
+		return company.set_perms(comp, name, username, permission:upper(), true)
+	end)
+
+	cmd:sub("revoke :username:username :permission:alpha", function(name, username, permission)
+		local comp = company.get_active(name)
+		if not comp then
+			return false, "Select a company by doing  /company use <NAME>"
+		end
+
+		return company.set_perms(comp, name, username, permission:upper(), false)
+	end)
 end, {
 	description = "Company tools"
 })

mods/capitalism/company/company.lua

@@ -5,7 +5,8 @@ function Company:new(obj)
 	obj = obj or {}
 	setmetatable(obj, self)
 	self.__index = self
-	self.owner   = nil
+	self.ceo     = nil
+	self.members = {}
 	return obj
 end
 
@@ -14,7 +15,8 @@ function Company:to_table()
 	return {
 		title   = self.title,
 		name    = self.name,
-		owner   = self.owner
+		ceo     = self.ceo,
+		members = self.members,
 	}
 end
 
@@ -24,8 +26,9 @@ function Company:from_table(t)
 	if self.name:sub(1, 2) ~= "c:" then
 		self.name = "c:" .. self.name
 	end
-	self.owner   = t.owner
-	return self.name ~= nil and self.owner ~= nil
+	self.ceo     = t.ceo or t.owner
+	self.members = t.members or {}
+	return self.name ~= nil and self.ceo ~= nil and type(self.members) == "table"
 end
 
 function Company:set_title_calc_name(title)
@@ -36,12 +39,12 @@ function Company:set_title_calc_name(title)
 end
 
 function Company:get_ceo_name()
-	return self.owner
+	return self.ceo
 end
 
 function Company:get_ownership(username)
 	-- TODO: ownership
-	if self.owner == username then
+	if self.ceo == username then
 		return 1
 	else
 		return 0
@@ -58,8 +61,26 @@ function Company:check_perm(username, permission, meta)
 	assert(company.permissions[permission])
 	assert(meta == nil or type(meta) == "table")
 
-	-- TODO: permissions
-	return self:get_ownership(username) > 0
+	if self.ceo == username then
+		return true
+	end
+
+	local member = self.members[username]
+	return member and member.perms[permission] and true or false
+end
+
+function Company:add_member(username)
+	assert(not self.members[username])
+
+	local mem = {
+		perms = {
+			SWITCH_TO = true,
+			INTERACT_AREA = true,
+		},
+	}
+
+	self.members[username] = mem
+	return mem
 end
 
 function Company:is_government()

mods/capitalism/company/gui.lua

@@ -21,7 +21,7 @@ company.show_company_select_dialog = lib_quickfs.register("company:set_company",
 					if comp:get_ceo_name() == pname then
 						return minetest.formspec_escape(comp.title)
 					else
-						return minetest.formspec_escape(minetest.colorize("#c0c0c0", comp.name))
+						return minetest.formspec_escape(minetest.colorize("#c0c0c0", comp.title))
 					end
 				end), ","),
 				";1;false]",
@@ -151,10 +151,15 @@ company.register_panel({
 })
 
 company.register_panel({
-	title = "Employees",
+	title = "Members",
 	bgcolor = "#396",
-	get = function(_, _, _, _)
-		return "label[0.2,0.2;0 employees.]"
+	get = function(_, _, comp, _)
+		local memcount       = 0
+		for username, props in pairs(comp.members) do
+			memcount = memcount + 1
+		end
+
+		return "label[0.2,0.2;" .. memcount .. " members]"
 	end,
 })
 

mods/capitalism/company/permissions.lua

@@ -10,4 +10,5 @@ company.permissions = {
 	SHOP_ADMIN     = "Can change the settings of a shop, including prices",
 	SHOP_CHEST     = "Can place, modify shop chests",
 	BUY_ITEMS      = "Can buy from shops",
+	MANAGE_MEMBERS = "Can manage company members",
 }

mods/capitalism/company/tests/api_spec.lua

@@ -15,7 +15,7 @@ describe("company", function()
 	it("add", function()
 		local comp = company.Company:new()
 		comp:set_title_calc_name("Test Company")
-		comp.owner = "testuser"
+		comp.ceo = "testuser"
 		assert.equals (#company._companies, 0)
 		assert.is_true(company.add(comp))
 		assert.equals (#company._companies, 1)
@@ -26,7 +26,7 @@ describe("company", function()
 		local comp = company.get_by_name("c:test_company")
 		assert.is_not_nil(comp)
 		assert.equals("c:test_company", comp.name)
-		assert.equals("testuser",     comp.owner)
+		assert.equals("testuser",     comp.ceo)
 	end)
 
 	it("active_company", function()
@@ -37,7 +37,7 @@ describe("company", function()
 		local comp = company.get_active("testuser")
 		assert.is_not_nil(comp)
 		assert.equals("c:test_company", comp.name)
-		assert.equals("testuser",     comp.owner)
+		assert.equals("testuser",     comp.ceo)
 	end)
 
 	it("get_companies_for_player", function()

mods/capitalism/company/tests/company_spec.lua

@@ -10,12 +10,12 @@ local Company = company.Company
 describe("company.Company", function()
 	it("constructs", function()
 		local company = Company:new()
-		assert.is_nil(company.owner)
+		assert.is_nil(company.ceo)
 	end)
 
 	it("has ownership", function()
 		local company = Company:new()
-		company.owner = "foobar"
+		company.ceo = "foobar"
 		assert.equals(company:get_ownership("foobar"),     1)
 		assert.equals(company:get_ownership("foobarasas"), 0)
 		assert.equals(company:get_ownership("a"),          0)
@@ -26,21 +26,21 @@ describe("company.Company", function()
 
 	it("has ceo", function()
 		local company = Company:new()
-		company.owner = "foobar"
+		company.ceo = "foobar"
 		assert.equals(company:get_ceo_name(), "foobar")
 	end)
 
 	it("can become active", function()
 		local company = Company:new()
 		assert.is_false(company:can_become_active("foobar"))
-		company.owner = "foobar"
+		company.ceo = "foobar"
 		assert.is_true (company:can_become_active("foobar"))
 		assert.is_false(company:can_become_active("sdsddd"))
 	end)
 
 	it("has permissions", function()
 		local company = Company:new()
-		company.owner = "foobar"
+		company.ceo = "foobar"
 		assert.is_true (company:check_perm("foobar", "SWITCH_TO"))
 		assert.is_false(company:check_perm("sdsddd", "SWITCH_TO"))
 	end)

mods/capitalism/land/gui.lua

@@ -218,6 +218,67 @@ land.show_buy_to = lib_quickfs.register("land:buy", {
 })
 
 
+sfinv.register_page("land:places", {
+	title = "Places",
+	get = function(self, player, context)
+		local pname = player:get_player_name()
+		local comp  = company.get_active(pname)
+
+		-- Using an array to build a formspec is considerably faster
+		local formspec = {
+			company.get_company_header(pname, 8)
+		}
+
+		if comp then
+			local i = 0
+			for _, panel in pairs(company.registered_panels) do
+				if not panel.show_to or panel:show_to(player, comp, context) then
+					formspec[#formspec + 1] = "container["
+					formspec[#formspec + 1] = tostring((i % 2) * 4)
+					formspec[#formspec + 1] = ","
+					formspec[#formspec + 1] = tostring(math.floor(i / 2) * 2 + 1)
+					formspec[#formspec + 1] = ".3]"
+
+					formspec[#formspec + 1] = "label[1.5,-0.3;"
+					formspec[#formspec + 1] = panel.title
+					formspec[#formspec + 1] = "]"
+
+					formspec[#formspec + 1] = "box[0,-0.3;3.8,1.8;"
+					formspec[#formspec + 1] = panel.bgcolor
+					formspec[#formspec + 1] = "]"
+
+					formspec[#formspec + 1] = panel:get(player, comp, context)
+					formspec[#formspec + 1] = "container_end[]"
+
+					i = i + 1
+				end
+			end
+
+			while i < 2*4 do
+				formspec[#formspec + 1] = "box["
+				formspec[#formspec + 1] = tostring((i % 2) * 4)
+				formspec[#formspec + 1] = ","
+				formspec[#formspec + 1] = tostring(math.floor(i / 2) * 2 + 1)
+				formspec[#formspec + 1] = ";3.8,1.8;#111]"
+
+				i = i + 1
+			end
+		end
+
+		-- Wrap the formspec in sfinv's layout (ie: adds the tabs and background)
+		return sfinv.make_formspec(player, context,
+				table.concat(formspec, ""), false)
+	end,
+	on_player_receive_fields = function(self, player, context, fields)
+		if fields.switch then
+			company.show_company_select_dialog(player:get_player_name(), function(player2)
+				sfinv.set_page_and_show(player2, "company:company")
+			end)
+		end
+	end,
+})
+
+
 company.register_panel({
 	title = "Land",
 	bgcolor = "#A0522D",