API docs and sample Ruby scripts

doc/api/examples/ruby/example_2.rb

@@ -0,0 +1,65 @@
+require 'http'
+
+API_ENDPOINT = 'https://decide.madrid.es/graphql'
+
+def make_request(query_string)
+  HTTP.headers('User-Agent' => 'Mozilla/5.0', accept: 'application/json')
+      .get(
+        API_ENDPOINT,
+        params: { query: query_string.gsub("\n", '').gsub(" ", '') }
+      )
+end
+
+def build_query(options = {})
+  page_size = options[:page_size] || 25
+  page_size_parameter = "first: #{page_size}"
+
+  page_number = options[:page_number] || 0
+  after_parameter = page_number > 0 ? ", after: \"#{options[:next_cursor]}\"" : ""
+
+  """
+  {
+    proposals(#{page_size_parameter}#{after_parameter}) {
+      pageInfo {
+        endCursor,
+        hasNextPage
+      },
+      edges {
+        node {
+          id,
+          title,
+          public_created_at
+        }
+      }
+    }
+  }
+  """
+end
+
+page_number = 0
+next_cursor = nil
+proposals   = []
+
+loop do
+  
+  puts "> Requesting page #{page_number}"
+
+  query = build_query(page_size: 25, page_number: page_number, next_cursor: next_cursor)
+  response = make_request(query)
+
+  response_hash  = JSON.parse(response.body)
+  page_info      = response_hash['data']['proposals']['pageInfo']
+  has_next_page  = page_info['hasNextPage']
+  next_cursor    = page_info['endCursor']
+  proposal_edges = response_hash['data']['proposals']['edges']
+
+  puts "\tHTTP code: #{response.code}"
+
+  proposal_edges.each do |edge|
+    proposals << edge['node']
+  end
+
+  page_number += 1
+
+  break if !has_next_page
+end