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Adds conformance to RawRepresentable to ease enum encoding #21

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Merged
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Feb 24, 2018
Merged

Adds conformance to RawRepresentable to ease enum encoding #21

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22 changes: 22 additions & 0 deletions Sources/PostgreSQL/Data/PostgreSQLDataCustomConvertible.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -37,3 +37,25 @@ extension PostgreSQLData: PostgreSQLDataCustomConvertible {
return self
}
}

extension RawRepresentable where RawValue: PostgreSQLDataCustomConvertible {
static var postgreSQLDataType: PostgreSQLDataType {
return Self.postgreSQLDataType
}

static var postgreSQLDataArrayType: PostgreSQLDataType {
return Self.postgreSQLDataArrayType
}

static func convertFromPostgreSQLData(_ data: PostgreSQLData) throws -> Self {
let aRawValue = try RawValue.convertFromPostgreSQLData(data)
guard let enumValue = Self(rawValue: aRawValue) else {
throw PostgreSQLError(identifier: "invalidRawValue", reason: "Unable to decode RawRepresentable from the database value.")
}
return enumValue
}

func convertToPostgreSQLData() throws -> PostgreSQLData {
return try self.rawValue.convertToPostgreSQLData()
}
}