Class: Engine2::ActionNode

Inherits:
BasicObject
Defined in:
lib/engine2/action_node.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, name, action_class, assets) ⇒ ActionNode 



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# File 'lib/engine2/action_node.rb', line 15

def initialize parent, name, action_class, assets
    ActionNode.count += 1
    @number = ActionNode.count
    @parent = parent
    @name = name
    @action = action_class.new(self, assets)
    @nodes = {}
end

Class Attribute Details

.count ⇒ Object

Returns the value of attribute count.



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# File 'lib/engine2/action_node.rb', line 12

def count
  @count
end

Instance Attribute Details

#access_block ⇒ Object (readonly)

Returns the value of attribute access_block.



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# File 'lib/engine2/action_node.rb', line 9

def access_block
  @access_block
end

#meta_proc ⇒ Object (readonly)

Returns the value of attribute meta_proc.



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# File 'lib/engine2/action_node.rb', line 9

def meta_proc
  @meta_proc
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/engine2/action_node.rb', line 8

def name
  @name
end

#nodes ⇒ Object (readonly)

Returns the value of attribute nodes.



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# File 'lib/engine2/action_node.rb', line 8

def nodes
  @nodes
end

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/engine2/action_node.rb', line 8

def number
  @number
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/engine2/action_node.rb', line 8

def parent
  @parent
end

#recheck_access ⇒ Object (readonly)

Returns the value of attribute recheck_access.



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# File 'lib/engine2/action_node.rb', line 8

def recheck_access
  @recheck_access
end

Instance Method Details

#*(&blk) ⇒ Object Also known as: action 



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# File 'lib/engine2/action_node.rb', line 24

def * &blk
    @meta_proc = @meta_proc ? @meta_proc.chain(&blk) : blk if blk
    @action
end

#[](name) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 91

def [] name
    @nodes[name]
end

#access!(&blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 31

def access! &blk
    ::Kernel.raise E2Error.new("Access for node #{name} already defined") if @access_block
    @access_block = blk
end

#access_forbidden! ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 36

def access_forbidden!
    access! &ACCESS_FORBIDDEN
end

#access_info(handler) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 123

def access_info handler
    @nodes.reduce({}) do |h, (name, a)|
        h[name] = a.check_access!(handler)
        h
    end
end

#check_access!(handler) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 40

def check_access! handler
    !@access_block || @access_block.(handler)
end

#define_action(name, action_class = InlineAction.inherit, assets = {}, &blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 63

def define_action name, action_class = InlineAction.inherit, assets = {}, &blk
    define_node name, action_class, assets do
        self.* &blk
    end
end

#define_invoke(name, action_class = InlineAction.inherit, assets = {}, &blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 69

def define_invoke name, action_class = InlineAction.inherit, assets = {}, &blk
    define_node name, action_class, assets do
        self.*.define_invoke &blk
    end
end

#define_node(name, action_class = InlineAction.inherit, assets = {}, &blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 50

def define_node name, action_class = InlineAction.inherit, assets = {}, &blk
    ::Kernel.raise E2Error.new("ActionNode #{name} already defined") if @nodes[name]
    node = @nodes[name] = ActionNode.new(self, name, action_class, assets)
    node.*.pre_run
    define_singleton_method! name do |&ablk| # forbidden list
        node.instance_eval(&ablk) if ablk
        node
    end
    node.instance_eval(&blk) if blk
    node.*.node_defined
    node
end

#define_node_bundle(name, *nodes) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 75

def define_node_bundle name, *nodes
    define_singleton_method!(name) do |&blk|
        if blk
            nodes.each{|a|__send__(a, &blk)} # if @nodes[node] ?
        else
            ActionNodeBundle.new(self, nodes)
        end
    end
end

#define_singleton_method!(name, &blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 85

def define_singleton_method! name, &blk
    class << self;self;end.instance_eval do # __realclass__
        define_method name, &blk
    end
end

#each_node(&blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 134

def each_node &blk
    # no self
    @nodes.each_pair do |n, a|
        a.each_node(&blk) if yield a
    end
end

#inspect ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 154

def inspect
    "ActionNode: #{@name}, action: #{@action.class}, action_type: #{@action.action_type}"
end

#nodes_info(handler) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 95

def nodes_info handler
    info = nodes.reduce({}) do |h, (name, a)|
        action = a.*
        act = {
            action_type: action.action_type,
            method: action.http_method,
            number: a.number,
            terminal: a.nodes.empty?,
            meta: !action.meta.empty?
        }

        act[:access] = true if !recheck_access && a.check_access!(handler)
        act[:recheck_access] = true if a.recheck_access

        if Handler::development?
            act[:action_class] = action.class
            act[:access_block] = a.access_block if a.access_block
            act[:model] = action.assets[:model]
        end

        h[name] = act
        h
    end

    info.first[1][:default] = true unless nodes.empty?
    info
end

#p(*args) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 207

def p *args
    ::Kernel::p *args
end

#recheck_access! ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 130

def recheck_access!
    @recheck_access = true
end

#run_scheme(name, *args, &blk) ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 44

def run_scheme name, *args, &blk
    result = instance_exec(*args, &SCHEMES[name])
    result.instance_eval(&blk) if blk
    result
end

#setup_node_tree ⇒ Object 



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# File 'lib/engine2/action_node.rb', line 158

def setup_node_tree
    time = ::Time.now

    model_nodes = {}
    each_node do |node|
        if model = node.*.assets[:model]
            model_name = model.name.to_sym
            model_nodes[model_name] = node.to_a_rec{|a| !a.*.assets[:assoc]}
            node.run_scheme(model_name) if SCHEMES[model_name, false]
            false
        else
            true
        end
    end

    thefts = 0
    panels = 0
    each_node do |node|
        action = node.*
        model = action.assets[:model]
        assoc = action.assets[:assoc]
        if model && assoc
            if source_nodes = model_nodes[model.name.to_sym]
                source_node = source_nodes.select{|sa| sa.meta_proc && sa.*.class >= action.class}
                # source_node = source_nodes.select{|sa| sa.meta_proc && action.class <= sa.*.class}
                unless source_node.empty?
                    raise E2Error.new("Multiple action candidates for #{node.inspect} found in '#{source_node.inspect}'") if source_node.size > 1
                    # puts "#{node.inspect} => #{source_node.inspect}\n"
                    action.instance_eval(&source_node.first.meta_proc)
                    thefts += 1
                end
            end
        end

        action.instance_eval(&node.meta_proc) if node.meta_proc
        true
    end

    each_node do |node|
        meta = node.*
        meta.post_run
        meta.freeze_action
        panels += 1 if node.*.is_a? ActionPanelSupport
        true
    end

    ::Kernel::puts "ACTION NODES: #{ActionNode.count}, Panels: #{panels},  Time: #{::Time.now - time}, Thefts: #{thefts}"
end

#to_a_rec(root = true, result = [], &blk) ⇒ Object

optimize



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# File 'lib/engine2/action_node.rb', line 141

def to_a_rec root = true, result = [], &blk # optimize
    if root && (yield self)
        result << self
        @nodes.each_pair do |n, a|
            if yield a
                result << a
                a.to_a_rec(false, result, &blk)
            end
        end
    end
    result
end