Overhaul everything to get consistent error reports.
[mailshears.git] / lib / common / davical_plugin.rb
index c8a67261c16c23cad6da901128cd281e7e384076..557c1dd1b3bf18e012cdf234e6400b05d4de7925 100644 (file)
@@ -1,12 +1,12 @@
 require 'common/plugin'
+require 'common/user'
 
 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()
+  def initialize(cfg)
     @db_host = cfg.davical_dbhost
     @db_port = cfg.davical_dbport
     @db_opts = cfg.davical_dbopts
@@ -19,12 +19,12 @@ module DavicalPlugin
 
   def describe_domain(domain)
     # DAViCal doesn't have a concept of domains.
-    return domain
+    return domain.to_s()
   end
 
 
-  def describe_account(account)
-    principal_id = self.get_principal_id(account)
+  def describe_user(user)
+    principal_id = self.get_principal_id(user)
 
     if principal_id.nil?
       return 'User not found'
@@ -34,10 +34,12 @@ module DavicalPlugin
   end
 
 
-  protected;
-
-  def get_principal_id(account)
-    principal_id = nil
+  def list_users()
+    #
+    # Produce a list of DAViCal users. This is public because it's
+    # useful for testing.
+    #
+    usernames = []
 
     begin
       connection = PGconn.connect(@db_host,
@@ -48,30 +50,27 @@ module DavicalPlugin
                                   @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;"
+      # User #1 is the super-user, and not tied to an email address.
+      sql_query =  "SELECT username FROM usr WHERE user_no > 1"
 
-      connection.query(sql_query, [account]) do |result|
-        if result.num_tuples > 0
-          principal_id = result[0]['principal_id']
-        end
+      connection.query(sql_query) do |result|
+        usernames = result.field_values('username')
       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
+    return usernames.map{ |u| User.new(u) }
   end
 
 
-  def list_users()
-    usernames = []
+  protected;
+
+  def get_principal_id(user)
+    principal_id = nil
 
     begin
       connection = PGconn.connect(@db_host,
@@ -82,20 +81,25 @@ module DavicalPlugin
                                   @db_user,
                                   @db_pass)
 
-      # User #1 is the super-user, and not tied to an email address.
-      sql_query =  "SELECT username FROM usr WHERE user_no > 1"
+      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) do |result|
-        usernames = result.field_values('username')
+      connection.query(sql_query, [user.to_s()]) 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 usernames
+    return principal_id
   end
 
 end