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-rw-r--r--FireBase/Query/QueryExtensions.cs210
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diff --git a/FireBase/Query/QueryExtensions.cs b/FireBase/Query/QueryExtensions.cs
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--- a/FireBase/Query/QueryExtensions.cs
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-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Newtonsoft.Json;
-
-namespace Firebase.Database.Query
-{
- /// <summary>
- /// Query extensions providing linq like syntax for firebase server methods.
- /// </summary>
- public static class QueryExtensions
- {
- /// <summary>
- /// Adds an auth parameter to the query.
- /// </summary>
- /// <param name="node"> The child. </param>
- /// <param name="token"> The auth token. </param>
- /// <returns> The <see cref="AuthQuery" />. </returns>
- internal static AuthQuery WithAuth(this FirebaseQuery node, string token)
- {
- return node.WithAuth(() => token);
- }
-
- /// <summary>
- /// Appends print=silent to save bandwidth.
- /// </summary>
- /// <param name="node"> The child. </param>
- /// <returns> The <see cref="SilentQuery" />. </returns>
- internal static SilentQuery Silent(this FirebaseQuery node)
- {
- return new SilentQuery(node, node.Client);
- }
-
- /// <summary>
- /// References a sub child of the existing node.
- /// </summary>
- /// <param name="node"> The child. </param>
- /// <param name="path"> The path of sub child. </param>
- /// <returns> The <see cref="ChildQuery" />. </returns>
- public static ChildQuery Child(this ChildQuery node, string path)
- {
- return node.Child(() => path);
- }
-
- /// <summary>
- /// Order data by given <see cref="propertyName" />. Note that this is used mainly for following filtering queries and
- /// due to firebase implementation
- /// the data may actually not be ordered.
- /// </summary>
- /// <param name="child"> The child. </param>
- /// <param name="propertyName"> The property name. </param>
- /// <returns> The <see cref="OrderQuery" />. </returns>
- public static OrderQuery OrderBy(this ChildQuery child, string propertyName)
- {
- return child.OrderBy(() => propertyName);
- }
-
- /// <summary>
- /// Instructs firebase to send data greater or equal to the <see cref="value" />. This must be preceded by an OrderBy
- /// query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery StartAt(this ParameterQuery child, string value)
- {
- return child.StartAt(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data lower or equal to the <see cref="value" />. This must be preceded by an OrderBy
- /// query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery EndAt(this ParameterQuery child, string value)
- {
- return child.EndAt(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data equal to the <see cref="value" />. This must be preceded by an OrderBy query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery EqualTo(this ParameterQuery child, string value)
- {
- return child.EqualTo(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data greater or equal to the <see cref="value" />. This must be preceded by an OrderBy
- /// query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery StartAt(this ParameterQuery child, double value)
- {
- return child.StartAt(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data lower or equal to the <see cref="value" />. This must be preceded by an OrderBy
- /// query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery EndAt(this ParameterQuery child, double value)
- {
- return child.EndAt(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data equal to the <see cref="value" />. This must be preceded by an OrderBy query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery EqualTo(this ParameterQuery child, double value)
- {
- return child.EqualTo(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data equal to the <see cref="value" />. This must be preceded by an OrderBy query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="value"> Value to start at. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery EqualTo(this ParameterQuery child, bool value)
- {
- return child.EqualTo(() => value);
- }
-
- /// <summary>
- /// Instructs firebase to send data equal to null. This must be preceded by an OrderBy query.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery EqualTo(this ParameterQuery child)
- {
- return child.EqualTo(() => null);
- }
-
- /// <summary>
- /// Limits the result to first <see cref="count" /> items.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="count"> Number of elements. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery LimitToFirst(this ParameterQuery child, int count)
- {
- return child.LimitToFirst(() => count);
- }
-
- /// <summary>
- /// Limits the result to last <see cref="count" /> items.
- /// </summary>
- /// <param name="child"> Current node. </param>
- /// <param name="count"> Number of elements. </param>
- /// <returns> The <see cref="FilterQuery" />. </returns>
- public static FilterQuery LimitToLast(this ParameterQuery child, int count)
- {
- return child.LimitToLast(() => count);
- }
-
- public static Task PutAsync<T>(this FirebaseQuery query, T obj)
- {
- return query.PutAsync(JsonConvert.SerializeObject(obj, query.Client.Options.JsonSerializerSettings));
- }
-
- public static Task PatchAsync<T>(this FirebaseQuery query, T obj)
- {
- return query.PatchAsync(JsonConvert.SerializeObject(obj, query.Client.Options.JsonSerializerSettings));
- }
-
- public static async Task<FirebaseObject<T>> PostAsync<T>(this FirebaseQuery query, T obj,
- bool generateKeyOffline = true)
- {
- var result =
- await query.PostAsync(JsonConvert.SerializeObject(obj, query.Client.Options.JsonSerializerSettings),
- generateKeyOffline);
-
- return new FirebaseObject<T>(result.Key, obj);
- }
-
- /// <summary>
- /// Fan out given item to multiple locations at once. See
- /// https://firebase.googleblog.com/2015/10/client-side-fan-out-for-data-consistency_73.html for details.
- /// </summary>
- /// <typeparam name="T"> Type of object to fan out. </typeparam>
- /// <param name="query"> Current node. </param>
- /// <param name="item"> Object to fan out. </param>
- /// <param name="relativePaths"> Locations where to store the item. </param>
- public static async Task FanOut<T>(this ChildQuery child, T item, params string[] relativePaths)
- {
- if (relativePaths == null) throw new ArgumentNullException(nameof(relativePaths));
-
- var fanoutObject = new Dictionary<string, T>(relativePaths.Length);
-
- foreach (var path in relativePaths) fanoutObject.Add(path, item);
-
- await child.PatchAsync(fanoutObject);
- }
- }
-} \ No newline at end of file