Class: MongoDatabase

Inherits:
Object
  • Object
show all
Defined in:
lib/models/mongo_database.rb

Instance Method Summary collapse

Constructor Details

#initialize(database) ⇒ MongoDatabase

Returns a new instance of MongoDatabase.



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# File 'lib/models/mongo_database.rb', line 4

def initialize database
 @db = database
end

Instance Method Details

#all_user_collections(user, isadmin = false) ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 25

def all_user_collections(user,isadmin=false)
  user_collections = resource_collections.clone
  return user_collections if(isadmin)
  user_collections.each do |collection|
	  access_control = collection(collection).find_document('access-control')
	  if(access_control && access_control['read_users'] != "*" && !(access_control['read_users'].include? user))
	    user_collections.delete collection
   end
 end
 user_collections
end

#collection(collection_name) ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 37

def collection collection_name
  MongoCollection.new @db.collection(collection_name)
end

#collection_links(user) ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 12

def collection_links(user)
  all_user_collections(user.alias,user.isadmin).map do |collection|
    {'href' => '/api/' + collection, 'rel' => 'full', 'title' => collection, 'alias' => collection}
  end
end

#contains_collection(collection_name) ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 52

def contains_collection collection_name
  resource_collections.include?(collection_name)  
end

#content_collection_links ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 18

def content_collection_links
  collections = all_user_collections('*',false).clone
  collections.map do |collection|
    { 'href' => '/content/' + collection.to_s, 'title' => collection.to_s }
  end
end

#filter(collection_name, search_hash, take, skip) ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 118

def filter(collection_name, search_hash, take, skip)
  
  if(search_hash["sort"] != nil)
    sort_hash = search_hash["sort"]
  end

  search_hash["filter"].each do |k,v|
    if(v.include? '/')
      search_hash["filter"][k] = eval v
    else
      search_hash["filter"][k] = v
    end
  end

  collection(collection_name).query(search_hash["filter"], take, skip, sort_hash)
  
end

#flat_file ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 56

def flat_file
  flat_file = []
    all_user_collections('*').each do |collection|

      if(collection != 'objectlabs-system' && collection != '_koda_media') 
        docs = collection(collection).content_links(nil, nil, nil)
        docs_in_collection = []
        docs.each do |doc|
          doc_from_db = collection(collection).find_document(doc['alias'])
          if(doc_from_db)
            docs_in_collection.push(doc_from_db.stripped_document)
          end
        end
        flat_file.push({'collection'=>collection, 'docs' => docs_in_collection})
      end
    end
  flat_file
end

#resource_collection_urls ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 8

def resource_collection_urls 
  resource_collections.map {|e| '/' + e }	    
end

#resource_collections ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 41

def resource_collections
  collections = @db.collection_names
	collections.delete 'system.indexes'  
	collections.delete 'system.users'  
	collections.delete '_koda_meta'
	collections.delete 'fs.chunks'  
	collections.delete 'fs.files'
	  	
  collections
end

#search(params, collection_name = nil) ⇒ Object 



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# File 'lib/models/mongo_database.rb', line 75

def search(params, collection_name=nil)
  
  search_hash = Hash.new
  sort_hash = Hash.new

  if(params && params.length > 0)
    params.each do |k,v|
      if(v.include? '/')
        search_hash[k] = eval v
      else
        search_hash[k] = v
      end
      if (v == 'true' || v == 'false')
        search_hash[k] = v == 'true'
      end
      sort_hash[k] = 1
    end

    results = Hash.new
    
    if(collection_name)
      search_hash.delete 'collection'
      search_hash.delete 'splat'
      search_hash.delete 'captures'

      return collection(collection_name).query(search_hash, params[:take], params[:skip], sort_hash)
    end

    all_user_collections('*').each do |collection|
      collection_result = collection(collection).query(search_hash, params[:take], params[:skip], sort_hash)
      if(collection_result && collection_result.length > 0)
        results[collection] = collection_result
      end
    end
    
    results

  else
    flat_file
  end
  
end