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Merge pull request #76 from pksprojects/feature/_field_caps_support
add support for _field_caps requests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| // | ||
| // FieldCaps.swift | ||
| // ElasticSwift | ||
| // | ||
| // | ||
| // Created by Prafull Kumar Soni on 1/12/20. | ||
| // | ||
|
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| import ElasticSwiftCore | ||
| import ElasticSwiftQueryDSL | ||
| import Foundation | ||
| import NIOHTTP1 | ||
|
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| // MARK: - FieldCaps Request Builder | ||
|
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| public class FieldCapabilitiesRequestBuilder: RequestBuilder { | ||
| public typealias RequestType = FieldCapabilitiesRequest | ||
|
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| private var _indices: [String]? | ||
| private var _fields: [String]? | ||
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| private var _ignoreUnavailable: Bool? | ||
| private var _allowNoIndices: Bool? | ||
| private var _expandWildcards: ExpandWildcards? | ||
|
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| public init() {} | ||
|
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| @discardableResult | ||
| public func set(indices: String...) -> Self { | ||
| _indices = indices | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func set(indices: [String]) -> Self { | ||
| _indices = indices | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func set(fields: String...) -> Self { | ||
| _fields = fields | ||
| return self | ||
| } | ||
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| @discardableResult | ||
| public func set(fields: [String]) -> Self { | ||
| _fields = fields | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func add(index: String) -> Self { | ||
| if _indices != nil { | ||
| _indices?.append(index) | ||
| } else { | ||
| _indices = [index] | ||
| } | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func add(field: String) -> Self { | ||
| if _fields != nil { | ||
| _fields?.append(field) | ||
| } else { | ||
| _fields = [field] | ||
| } | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func set(ignoreUnavailable: Bool) -> Self { | ||
| _ignoreUnavailable = ignoreUnavailable | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func set(allowNoIndices: Bool) -> Self { | ||
| _allowNoIndices = allowNoIndices | ||
| return self | ||
| } | ||
|
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| @discardableResult | ||
| public func set(expandWildcards: ExpandWildcards) -> Self { | ||
| _expandWildcards = expandWildcards | ||
| return self | ||
| } | ||
|
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| public var indices: [String]? { | ||
| return _indices | ||
| } | ||
|
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| public var fields: [String]? { | ||
| return _fields | ||
| } | ||
|
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| public var ignoreUnavailable: Bool? { | ||
| return _ignoreUnavailable | ||
| } | ||
|
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| public var allowNoIndices: Bool? { | ||
| return _allowNoIndices | ||
| } | ||
|
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| public var expandWildcards: ExpandWildcards? { | ||
| return _expandWildcards | ||
| } | ||
|
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| public func build() throws -> FieldCapabilitiesRequest { | ||
| return try FieldCapabilitiesRequest(withBuilder: self) | ||
| } | ||
| } | ||
|
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| // MARK: - FieldCaps Request | ||
|
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| public struct FieldCapabilitiesRequest: Request { | ||
| /// A list of index names; use `_all` or empty array to perform the operation on all indices | ||
| public let indices: [String]? | ||
| /// A list of field names | ||
| public let fields: [String] | ||
| /// Whether specified concrete indices should be ignored when unavailable (missing or closed) | ||
| public var ignoreUnavailable: Bool? | ||
| /// Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified) | ||
| public var allowNoIndices: Bool? | ||
| /// Whether to expand wildcard expression to concrete indices that are open, closed or both. | ||
| public var expandWildcards: ExpandWildcards? | ||
|
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| public init(indices: [String]? = nil, fields: [String]) { | ||
| self.indices = indices | ||
| self.fields = fields | ||
| } | ||
|
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| public init(indices: [String]? = nil, fields: String...) { | ||
| self.init(indices: indices, fields: fields) | ||
| } | ||
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| internal init(withBuilder builder: FieldCapabilitiesRequestBuilder) throws { | ||
| guard builder.fields != nil else { | ||
| throw RequestBuilderError.missingRequiredField("fields") | ||
| } | ||
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| guard !builder.fields!.isEmpty else { | ||
| throw RequestBuilderError.atlestOneElementRequired("fields") | ||
| } | ||
|
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| self.init(indices: builder.indices, fields: builder.fields!) | ||
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| ignoreUnavailable = builder.ignoreUnavailable | ||
| allowNoIndices = builder.allowNoIndices | ||
| expandWildcards = builder.expandWildcards | ||
| } | ||
|
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| public var headers: HTTPHeaders { | ||
| return HTTPHeaders() | ||
| } | ||
|
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| public var queryParams: [URLQueryItem] { | ||
| var params = [URLQueryItem]() | ||
| if let ignoreUnavailable = self.ignoreUnavailable { | ||
| params.append(.init(name: .ignoreUnavailable, value: ignoreUnavailable)) | ||
| } | ||
| if let allowNoIndices = self.allowNoIndices { | ||
| params.append(.init(name: .allowNoIndices, value: allowNoIndices)) | ||
| } | ||
| if let expandWildcards = self.expandWildcards { | ||
| params.append(.init(name: .expandWildcards, value: expandWildcards.rawValue)) | ||
| } | ||
|
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| params.append(.init(name: .fields, value: fields)) | ||
|
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| return params | ||
| } | ||
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| public var method: HTTPMethod { | ||
| return .GET | ||
| } | ||
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| public var endPoint: String { | ||
| var _endPoint = "_field_caps" | ||
| if let indices = self.indices, !indices.isEmpty { | ||
| _endPoint = indices.joined(separator: ",") + "/" + _endPoint | ||
| } | ||
| return _endPoint | ||
| } | ||
|
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| public func makeBody(_: Serializer) -> Result<Data, MakeBodyError> { | ||
| return .failure(.noBodyForRequest) | ||
| } | ||
| } | ||
|
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| extension FieldCapabilitiesRequest: Equatable {} |
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