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[Ovirt-devel] [PATCH 4/5] Find hardware_pool by path; search by parent_id



Get individual hardware pool with a path, e.g. with a GET to
  /ovirt/hardware_pools?path=/default/foo/bar

Get children of a hardware pool from
  /ovirt/hardware_pools?parent_id=1

Get specific child with
  /ovirt/hardware_pools?parent_id=1&name=foo
---
 .../controllers/rest/hardware_pools_controller.rb  |   25 ++++++++++++-------
 wui/src/app/models/hardware_pool.rb                |   12 +++++++++
 2 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/wui/src/app/controllers/rest/hardware_pools_controller.rb b/wui/src/app/controllers/rest/hardware_pools_controller.rb
index 49a8fcc..836d5f2 100644
--- a/wui/src/app/controllers/rest/hardware_pools_controller.rb
+++ b/wui/src/app/controllers/rest/hardware_pools_controller.rb
@@ -3,19 +3,26 @@ class Rest::HardwarePoolsController < ApplicationController
         :include => [ :storage_pools, :hosts, :quota ]
     }
 
-    EQ_ATTRIBUTES = [ :name ]
+    EQ_ATTRIBUTES = [ :name, :parent_id ]
 
     def index
-        conditions = []
-        EQ_ATTRIBUTES.each do |attr|
-            if params[attr]
-                conditions << "#{attr} = :#{attr}"
+        if params[:path]
+            @pools = []
+            pool = HardwarePool.find_by_path(params[:path])
+            @pools << pool if pool
+            logger.info "POOLS: #{ pools inspect}"
+        else
+            conditions = []
+            EQ_ATTRIBUTES.each do |attr|
+                if params[attr]
+                    conditions << "#{attr} = :#{attr}"
+                end
             end
-        end
 
-        @pools = HardwarePool.find(:all,
-                    :conditions => [conditions.join(" and "), params],
-                    :order => "id")
+            @pools = HardwarePool.find(:all,
+                      :conditions => [conditions.join(" and "), params],
+                      :order => "id")
+        end
 
         respond_to do |format|
             format.xml { render :xml => @pools.to_xml(OPTS) }
diff --git a/wui/src/app/models/hardware_pool.rb b/wui/src/app/models/hardware_pool.rb
index 276779f..249d744 100644
--- a/wui/src/app/models/hardware_pool.rb
+++ b/wui/src/app/models/hardware_pool.rb
@@ -97,4 +97,16 @@ class HardwarePool < Pool
     return {:total => total, :labels => labels}
   end
 
+  def self.find_by_path(path)
+      segs = path.split("/")
+      unless segs.shift.empty?
+          raise "Path must be absolute, but is #{path}"
+      end
+      if segs.shift == "default"
+          segs.inject(get_default_pool) do |pool, seg|
+              pool.sub_hardware_pools.find { |p| p.name == seg } if pool
+          end
+      end
+  end
+
 end
-- 
1.5.5.1


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