76 lines
2.2 KiB
Lua
76 lines
2.2 KiB
Lua
--- @section Decision
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local _decisions = {}
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--- Registers a decision definition.
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--- @within Decision
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-- @param decision table The decision data table.
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function Decision.register(decision)
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if not decision or not decision.id then
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PopupWindow.show({"Error: Invalid decision object registered (missing id)!"})
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return
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end
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if not decision.label then
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PopupWindow.show({"Error: Invalid decision object registered (missing label)!"})
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return
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end
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if not decision.condition then
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decision.condition = function() return true end
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end
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if not decision.handle then
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decision.handle = function() end
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end
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if _decisions[decision.id] then
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trace("Warning: Overwriting decision with id: " .. decision.id)
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end
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_decisions[decision.id] = decision
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end
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--- Gets a decision by ID.
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--- @within Decision
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-- @param id string The ID of the decision.
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-- @return table The decision table or nil.
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function Decision.get_by_id(id)
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return _decisions[id]
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end
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--- Gets all registered decisions.
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--- @within Decision
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-- @return table A table of all registered decisions.
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function Decision.get_all()
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return _decisions
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end
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--- Gets decision objects based on a screen's data.
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--- @within Decision
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-- @param screen_data table The data for the screen, containing a 'decisions' field (list of decision IDs).
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-- @return table A table containing decision objects relevant to the screen.
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function Decision.get_for_screen(screen_data)
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if not screen_data or not screen_data.decisions then
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return {}
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end
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local screen_decisions = {}
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for _, decision_id in ipairs(screen_data.decisions) do
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local decision = Decision.get_by_id(decision_id)
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if decision then
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table.insert(screen_decisions, decision)
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end
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end
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return screen_decisions
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end
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--- Filters a list of decision objects based on their condition function.
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--- @within Decision
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-- @param decisions_list table A table of decision objects.
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-- @return table A new table containing only the decisions for which condition() is true.
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function Decision.filter_available(decisions_list)
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local available = {}
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for _, decision in ipairs(decisions_list) do
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if decision and decision.condition() then
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table.insert(available, decision)
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end
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end
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return available
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end
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