Merge pull request #615 from coryodaniel/pagination-links-consistency

Make offset and paged paginators links consistent

Author: lgebhardt

lib/jsonapi/paginator.rb

@@ -58,7 +58,7 @@ def links_page_params(options = {})
 
       previous_offset = 0 if previous_offset < 0
 
-      links_page_params['previous'] = {
+      links_page_params['prev'] = {
         'offset' => previous_offset,
         'limit' => @limit
       }

test/unit/pagination/offset_paginator_test.rb

@@ -161,8 +161,8 @@ def test_offset_links_page_params_large_data_set_before_start
     assert_equal 5, links_params['first']['limit']
     assert_equal 0, links_params['first']['offset']
 
-    assert_equal 5, links_params['previous']['limit']
-    assert_equal 0, links_params['previous']['offset']
+    assert_equal 5, links_params['prev']['limit']
+    assert_equal 0, links_params['prev']['offset']
 
     assert_equal 5, links_params['next']['limit']
     assert_equal 7, links_params['next']['offset']
@@ -187,8 +187,8 @@ def test_offset_links_page_params_large_data_set_middle
     assert_equal 5, links_params['first']['limit']
     assert_equal 0, links_params['first']['offset']
 
-    assert_equal 5, links_params['previous']['limit']
-    assert_equal 22, links_params['previous']['offset']
+    assert_equal 5, links_params['prev']['limit']
+    assert_equal 22, links_params['prev']['offset']
 
     assert_equal 5, links_params['next']['limit']
     assert_equal 32, links_params['next']['offset']
@@ -213,8 +213,8 @@ def test_offset_links_page_params_large_data_set_end
     assert_equal 5, links_params['first']['limit']
     assert_equal 0, links_params['first']['offset']
 
-    assert_equal 5, links_params['previous']['limit']
-    assert_equal 40, links_params['previous']['offset']
+    assert_equal 5, links_params['prev']['limit']
+    assert_equal 40, links_params['prev']['offset']
 
     assert_equal 5, links_params['last']['limit']
     assert_equal 45, links_params['last']['offset']
@@ -236,8 +236,8 @@ def test_offset_links_page_params_large_data_set_past_end
     assert_equal 5, links_params['first']['limit']
     assert_equal 0, links_params['first']['offset']
 
-    assert_equal 5, links_params['previous']['limit']
-    assert_equal 43, links_params['previous']['offset']
+    assert_equal 5, links_params['prev']['limit']
+    assert_equal 43, links_params['prev']['offset']
 
     assert_equal 5, links_params['last']['limit']
     assert_equal 45, links_params['last']['offset']