Add a bunch more crap and rewrite a bunch more crap. Now the 'rm' mode at least runs.

[mailshears.git] / lib / common / davical_plugin.rb

diff --git a/lib/common/davical_plugin.rb b/lib/common/davical_plugin.rb
new file mode 100644 (file)
index 0000000..e4bef48
--- /dev/null
+++ b/lib/common/davical_plugin.rb
@@ -0,0 +1,73 @@
+require 'common/plugin'
+
+module DavicalPlugin
+  # Code that all Davical plugins (Prune, Rm, Mv...) will share.  That
+  # is, we implement the Plugin interface.
+  include Plugin
+
+  def initialize()
+    cfg = Configuration.new()
+    @db_host = cfg.davical_dbhost
+    @db_port = cfg.davical_dbport
+    @db_opts = cfg.davical_dbopts
+    @db_tty  = cfg.davical_dbtty
+    @db_name = cfg.davical_dbname
+    @db_user = cfg.davical_dbuser
+    @db_pass = cfg.davical_dbpass
+  end
+
+
+  def describe_domain(domain)
+    # DAViCal doesn't have a concept of domains.
+    return 'N/A'
+  end
+
+
+  def describe_account(account)
+    principal_id = self.get_principal_id(account)
+
+    if principal_id.nil?
+      return 'User not found'
+    else
+      return "Principal ID: #{principal_id}"
+    end
+  end
+
+
+  protected;
+
+  def get_principal_id(account)
+    principal_id = nil
+
+    begin
+      connection = PGconn.connect(@db_host,
+                                  @db_port,
+                                  @db_opts,
+                                  @db_tty,
+                                  @db_name,
+                                  @db_user,
+                                  @db_pass)
+
+      sql_query =  "SELECT principal.principal_id "
+      sql_query += "FROM (principal INNER JOIN usr "
+      sql_query += "      ON principal.user_no = usr.user_no) "
+      sql_query += "WHERE usr.username = $1;"
+
+      connection.query(sql_query, [account]) do |result|
+        if result.num_tuples > 0
+          principal_id = result[0]['principal_id']
+        end
+      end
+
+      connection.close()
+
+    rescue PGError => e
+      # Pretend like we're database-agnostic in case we ever are.
+      raise DatabaseError.new(e)
+    end
+
+    return principal_id
+  end
+
+
+end