Class: Yast::MailAliasesClass

Inherits:
Module
  • Object
show all
Defined in:
library/general/src/modules/MailAliases.rb

Instance Method Summary collapse

Instance Method Details

#FilterRootAlias ⇒ Object

Separates aliases into aliases, root_alias and root_alias_comment



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# File 'library/general/src/modules/MailAliases.rb', line 67

def FilterRootAlias
  @root_alias = ""
  @root_alias_comment = ""
  @aliases = Builtins.filter(@aliases) do |e|
    if Ops.get_string(e, "alias", "") == "root"
      @root_alias = Ops.get_string(e, "destinations", "")
      @root_alias_comment = Ops.get_string(e, "comment", "")
      next false
    end
    true
  end

  nil
end

#GetRootAlias ⇒ Object

For use by the Users package. Does not rely on the internal state, first calls the agent.



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# File 'library/general/src/modules/MailAliases.rb', line 182

def GetRootAlias
  return "" if !ReadAliases()

  @root_alias
end

#main ⇒ Object 



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# File 'library/general/src/modules/MailAliases.rb', line 45

def main
  # no translatable strings, no textdomain.
  Yast.import "MailTable"

  # ----------------------------------------------------------------

  # List of maps: $[comment:, alias:, destinations:] (all are strings)
  # Except root.
  @aliases = []
  # Separated/joined with aliases by read/write/set/export
  @root_alias = ""
  # Separated/joined with aliases by read/write/set/export
  @root_alias_comment = ""
end

#MergeRootAlias(aliases) ⇒ Object

Returns prepend root alias data to aliases, if set.

Parameters:

  • aliases (Array<Hash>) —

    an alias table

Returns:

  • prepend root alias data to aliases, if set



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# File 'library/general/src/modules/MailAliases.rb', line 99

def MergeRootAlias(aliases)
  aliases = deep_copy(aliases)
  ret = deep_copy(aliases)
  if @root_alias != ""
    ret = Builtins.prepend(
      ret,
      "alias"        => "root",
      "destinations" => @root_alias,
      "comment"      => @root_alias_comment
    )
  end
  deep_copy(ret)
end

#mergeTables(new, old) ⇒ Object

Merges mail tables, which are order-preserving maps. First are the entries of the old map, with values updated from the new one, then the rest of the new map.

Parameters:

  • new (Array<Hash>) —

    new table

  • old (Array<Hash>) —

    old table

Returns:

  • merged table



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# File 'library/general/src/modules/MailAliases.rb', line 121

def mergeTables(new, old)
  new = deep_copy(new)
  old = deep_copy(old)
  # make a true map
  new_m = Builtins.listmap(new) do |e|
    {
      Ops.get_string(e, "key", "") => [
        Ops.get_string(e, "comment", ""),
        Ops.get_string(e, "value", "")
      ]
    }
  end
  # update old values
  replaced = Builtins.maplist(old) do |e|
    k = Ops.get_string(e, "key", "")
    cv = Ops.get_list(new_m, k, [])
    if Ops.greater_than(Builtins.size(cv), 0)
      Ops.set(new_m, k, []) # ok, newly constructed
      next {
        "key"     => k,
        "comment" => Ops.get_string(cv, 0, ""),
        "value"   => Ops.get_string(cv, 1, "")
      }
    else
      next {
        "key"     => k,
        "comment" => Ops.get_string(e, "comment", ""),
        "value"   => Ops.get_string(e, "value", "")
      }
    end
  end
  # remove already updated values
  filtered = Builtins.filter(new) do |e|
    Ops.greater_than(
      Builtins.size(Ops.get_list(new_m, Ops.get_string(e, "key", ""), [])),
      0
    )
  end
  Builtins.flatten([replaced, filtered])
end

#ReadAliases ⇒ Object

Read the aliases table (and separate the root alias)

Returns:

  • success?



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# File 'library/general/src/modules/MailAliases.rb', line 84

def ReadAliases
  a_raw = MailTable.Read("aliases")
  @aliases = Builtins.maplist(a_raw) do |e|
    {
      "comment"      => Ops.get_string(e, "comment", ""),
      "alias"        => Ops.get_string(e, "key", ""),
      "destinations" => Ops.get_string(e, "value", "")
    }
  end
  FilterRootAlias()
  true
end

#SetRootAlias(destinations) ⇒ Object

For use by the Users package. Does not use the internal state, just calls the agent. SuSEconfig or newaliases is NOT called! (TODO: what if it is called while the main module is running?) Errors are reported via Report::Error.

Parameters:

  • destinations (String) —

    The new alias. If "", it is removed.

Returns:

  • true on success



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# File 'library/general/src/modules/MailAliases.rb', line 195

def SetRootAlias(destinations)
  return false if !ReadAliases()

  @root_alias = destinations
  @root_alias_comment = "" # TODO: "created by the ... yast2 module"?

  return false if !WriteAliases()

  return false if !MailTable.Flush("aliases")

  true
end

#WriteAliases ⇒ Object

Part of Write.

Returns:

  • success

See Also:



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# File 'library/general/src/modules/MailAliases.rb', line 165

def WriteAliases
  a_raw = Builtins.maplist(MergeRootAlias(@aliases)) do |e|
    {
      "comment" => Ops.get_string(e, "comment", ""),
      "key"     => Ops.get_string(e, "alias", ""),
      "value"   => Ops.get_string(e, "destinations", "")
    }
  end
  MailTable.Write("aliases", a_raw)
  true
end