From 02d2e0137f706018baf3b0b1794afdc3cbf4cda9 Mon Sep 17 00:00:00 2001
From: Michael DeHaan <mdehaan@redhat.com>
Date: Wed, 31 Oct 2007 13:54:25 -0400
Subject: Ongoing work on WUI pagination

---
 Makefile                         |  4 ++--
 cobbler/remote.py                |  2 +-
 cobbler/webui/CobblerWeb.py      | 37 ++++++++++++++++++++++++++++++-------
 tests/multi.py                   |  2 +-
 webui_templates/system_list.tmpl | 32 +++++++++++++++++++++++---------
 5 files changed, 57 insertions(+), 20 deletions(-)

diff --git a/Makefile b/Makefile
index 85d6715..ca8f57c 100644
--- a/Makefile
+++ b/Makefile
@@ -39,12 +39,12 @@ devinstall:
 	cp /var/lib/cobbler/settings /tmp/cobbler_settings
 	cp /etc/cobbler/auth.conf /tmp/cobbler_auth.conf
 	cp /etc/cobbler/modules.conf /tmp/cobbler_modules.conf
-	-cp /var/www/cobbler/cgi-bin/.htpasswd /tmp/cobbler_htpasswd
+	-cp /var/www/cgi-bin/cobbler/.htpasswd /tmp/cobbler_htpasswd
 	make install
 	cp /tmp/cobbler_settings /var/lib/cobbler/settings
 	cp /tmp/cobbler_auth.conf /etc/cobbler/auth.conf
 	cp /tmp/cobbler_modules.conf /etc/cobbler/modules.conf
-	-cp /tmp/cobbler_htpasswd /var/www/cobbler/cgi-bin/.htpasswd
+	-cp /tmp/cobbler_htpasswd /var/www/cgi-bin/cobbler/.htpasswd
 	find /var/lib/cobbler/triggers | xargs chmod +x
 	chown -R apache /var/www/cobbler 
 	chown -R apache /var/www/cgi-bin/cobbler	
diff --git a/cobbler/remote.py b/cobbler/remote.py
index a292dee..a871e22 100644
--- a/cobbler/remote.py
+++ b/cobbler/remote.py
@@ -77,7 +77,7 @@ class CobblerXMLRPCInterface:
         data = self.__get_all(collection_name)
         return len(data)
 
-    def __get_all(self,collection_name,page,results_per_page):
+    def __get_all(self,collection_name,page=None,results_per_page=None):
         """
         Helper method to return all data to the WebUI or another caller
         without going through the process of loading all the data into
diff --git a/cobbler/webui/CobblerWeb.py b/cobbler/webui/CobblerWeb.py
index 075bc60..6340b2b 100644
--- a/cobbler/webui/CobblerWeb.py
+++ b/cobbler/webui/CobblerWeb.py
@@ -326,21 +326,44 @@ class CobblerWeb(object):
     # if the system list is huge, this will probably need to use an
     # iterator so the list doesn't get copied around
 
-    def system_list(self,page=0,results_per_page=100):
+    def __compute_pagination(self,page,results_per_page,collection_type):
+
+        default_page = 0
+        default_results_per_page = 50
+        total_size = self.remote.get_size(collection_type)
+
+        try:
+            page = int(page)
+        except:
+            page = default_page
+        try:
+            results_per_page = int(results_per_page)
+        except:
+            results_per_page = default_results_per_page 
+
+        if page < 0:
+           page = default_page
+        if results_per_page <= 0:
+           results_per_page = default_results_per_page
+
+        pages = total_size / results_per_page
+        return (page, results_per_page, pages)
+        
+
+    def system_list(self,page=None,results_per_page=None):
 
         if not self.__xmlrpc_setup():
             return self.xmlrpc_auth_failure()
 
-        systems_size = self.remote.get_size("systems")
-        pages = len(systems) / results_per_page 
+        (page, results_per_page, pages) = self.__compute_pagination(page,results_per_page,"system")
         systems = self.remote.get_systems(page,results_per_page)
-         
 
         if len(systems) > 0:
             return self.__render( 'system_list.tmpl', {
-                'systems'  : systems,
-                'pages'    : pages,
-                'page'     : page
+                'systems'          : systems,
+                'pages'            : pages,
+                'page'             : page,
+                'results_per_page' : results_per_page
             } )
         else:
             return self.__render('empty.tmpl',{})
diff --git a/tests/multi.py b/tests/multi.py
index 4c80618..ce3846c 100644
--- a/tests/multi.py
+++ b/tests/multi.py
@@ -2,7 +2,7 @@ import cobbler.api as capi
 
 api = capi.BootAPI()
 
-SYSTEMS_COUNT = 5000
+SYSTEMS_COUNT = 146
 
 distros = api.distros()
 profiles = api.profiles()
diff --git a/webui_templates/system_list.tmpl b/webui_templates/system_list.tmpl
index 93f4602..1a6e178 100644
--- a/webui_templates/system_list.tmpl
+++ b/webui_templates/system_list.tmpl
@@ -4,21 +4,35 @@
 
     ## navigation for pages
 
-    Pages:&nbsp;
+    <!-- DEBUG: num pages is $pages<br/> -->
+    <!-- DEBUG: current page is $page<br/> -->
+    <!-- DEBUG: results per page is $results_per_page</br> -->
+
+    Page:&nbsp;
     #if $page != 0
        #set $previous_page = $page - 1
        <A HREF="${base_url}/system_list?page=${previous_page}&results_per_page=${results_per_page}">&lt;</A>&nbsp;
-    #end 
+    #else
+       [
+    #end if
 
-    #for $this_page in $pages
-       <A HREF="${base_url}/system_list?page=${this_page}&results_per_page=${results_per_page}">$p</A>&nbsp;
-    #end
+    #for $this_page in range(0,$pages+1)
+       #if $this_page != $page
+           <A HREF="${base_url}/system_list?page=${this_page}&results_per_page=${results_per_page}">${this_page}</A>&nbsp;
+       #else
+           ${this_page}
+       #end if
+    #end for
 
-    #if $page != $lastpage
+    #if $page != $pages
        #set $next_page = $page + 1
-       <A HREF="${base_url}/system_list?page=${next_page}&results_per_page=${results_per_page}">&rt;</A>
-    #end
-    </br>
+       <A HREF="${base_url}/system_list?page=${next_page}&results_per_page=${results_per_page}">&gt;</A>
+    #else
+       ]
+    #end if
+
+    <br/>
+    <br/>
 
 <table class="sortable">
 
-- 
cgit