AnyQuery 0.2.0

You want to add pod 'AnyQuery', '~> 0.2' similar to the following to your Podfile:

target 'MyApp' do
  pod 'AnyQuery', '~> 0.2'
end

Then run a pod install inside your terminal, or from CocoaPods.app.

Alternatively to give it a test run, run the command:

pod try AnyQuery

AnyQuery 0.2.0

By
Naoto Kaneko
naoty_k

AnyQuery

Usage

AnyQuery

AnyQuery is a representation of queries for anything. A AnyQuery can be transformed into a NSPredicate and a Dictionary.

let query = AnyQuery.Equal(key: "id", value: 1)
query.predicate   //=> NSPredicate(format: "id == 1")
query.dictionary  //=> ["id": 1]

AnyQuery has below types. Each types can be transformed into proper objects

Equal(key:value:)
NotEqual(key:value:)
GreaterThan(key:value:)
GreaterThanOrEqual(key:value:)
LessThan(key:value:)
LessThanOrEqual(key:value:)
In(key:values:)
Between(key:lhs:rhs:)

AnyQuery also can be combined with another one with && or || operator.

let query = AnyQuery.Equal(key: "id", value: 1) && AnyQuery.Equal(key: "name", value: "naoty")
query.predicate   //=> NSPredicate(format: "id == 1 AND name == naoty")
query.dictionary  //=> ["id": 1, "name": "naoty"]

AnySort

AnySort is a representation of sorts for anything. A AnySort can be transformed into [NSSortDescriptor] and a dictionary.

let sort = AnySort.Ascending(key: "id")
sort.sortDescriptors  //=> [NSSortDescriptor(key: "id", ascending: true)]
sort.dictionary       //=> ["sort": ["id"]]

Like AnyQuery, AnySort also can be combined with another one with > operator.

let sort = AnySort.Ascending(key: "name") > AnySort.Descending(key: "age")
sort.sortDescriptors  //=> [NSSortDescriptor(key: "name", ascending: true), NSSortDescriptor(key: "age", ascending: false)]
sort.dictionary       //=> ["sort": ["name", "-age"]]

Author

naoty