public static void CheckMediaOptionsOrThrow(IDownloadMediaOptions options, string source)
{
if (!MediaOptionsValidator.IsValidMediaOptions(options))
{
throw new ArgumentException(source + " : is not valid");
}
}
private string AppendUrlStringWithDownloadOptions(string path, IDownloadMediaOptions options)
{
string paramsString = this.SerializeOptions(options);
if (this.itemSource.Database != null)
{
paramsString = this.AddOptionValueToPath(paramsString, MediaItemUrlBuilder.DATABASE_KEY, this.itemSource.Database);
}
if (this.itemSource.Language != null)
{
paramsString = this.AddOptionValueToPath(paramsString, MediaItemUrlBuilder.LANGUAGE_KEY, this.itemSource.Language);
}
if (null != this.itemSource.VersionNumber)
{
string strVersionNumber = this.itemSource.VersionNumber.Value.ToString(CultureInfo.InvariantCulture);
paramsString = this.AddOptionValueToPath(paramsString, MediaItemUrlBuilder.VERSION_KEY, strVersionNumber);
}
if (!String.IsNullOrEmpty(paramsString))
{
paramsString = paramsString.Remove(paramsString.Length - this.restGrammar.FieldSeparator.Length);
path += this.restGrammar.HostAndArgsSeparator;
path += paramsString;
}
return(path);
}
public static void CheckMediaOptionsOrThrow(IDownloadMediaOptions options, string source)
{
if (!MediaOptionsValidator.IsValidMediaOptions(options))
{
throw new ArgumentException(source + " : is not valid");
}
}
// https://test.host/~/media/1.png.ashx?w=640&h=480
public string BuildUrlStringForPath(string path, IDownloadMediaOptions options)
{
MediaPathValidator mediaPathValidator = new MediaPathValidator(this.mediaSettings);
mediaPathValidator.ValidateMediaPath(path, this.GetType().Name + ".Path");
string relativePath = path;
string result = SessionConfigValidator.AutocompleteInstanceUrlForcingHttps(this.sessionConfig.InstanceUrl);
string lowerCasePathForComparisonNeeds = path.ToLowerInvariant();
string lowerCaseMediaHook = this.mediaSettings.MediaPrefix.ToLowerInvariant();
bool isMediaHookAvailable = lowerCasePathForComparisonNeeds.Contains(lowerCaseMediaHook);
bool isExtensionAvailable = MediaPathValidator.IsItemPathHasExtension(path);
string extensionWithDotPrefix = DOT_SEPARATOR + this.mediaSettings.DefaultMediaResourceExtension.ToLowerInvariant();
if (isMediaHookAvailable)
{
result = result + this.restGrammar.PathComponentSeparator + Uri.EscapeUriString(relativePath);
if (!isExtensionAvailable)
{
result = result + extensionWithDotPrefix;
}
}
else
{
result = result + this.restGrammar.PathComponentSeparator + lowerCaseMediaHook;
string mediaLibraryRoot = this.mediaSettings.MediaLibraryRoot.ToLowerInvariant();
int rootStartIndex = lowerCasePathForComparisonNeeds.IndexOf(mediaLibraryRoot);
bool isMediaRootAvailable = (rootStartIndex >= 0);
if (isMediaRootAvailable)
{
relativePath = path.Remove(rootStartIndex, this.mediaSettings.MediaLibraryRoot.Length);
}
bool isInvalidRelativePath = string.IsNullOrEmpty(relativePath);
if (isInvalidRelativePath)
{
throw new ArgumentException("ResourceUrlBuilder.BuildUrlStringForPath invalid path");
}
relativePath = Uri.EscapeUriString(relativePath);
result = result + relativePath + extensionWithDotPrefix;
}
result = this.AppendUrlStringWithDownloadOptions(result, options);
return(result.ToLowerInvariant());
}
// https://test.host/~/media/1.png.ashx?w=640&h=480
public string BuildUrlStringForPath(string path, IDownloadMediaOptions options)
{
MediaPathValidator mediaPathValidator = new MediaPathValidator(this.mediaSettings);
mediaPathValidator.ValidateMediaPath(path, this.GetType().Name + ".Path");
string relativePath = path;
string result = SessionConfigValidator.AutocompleteInstanceUrl(this.sessionConfig.InstanceUrl);
string lowerCasePathForComparisonNeeds = path.ToLowerInvariant();
string lowerCaseMediaHook = this.mediaSettings.MediaPrefix.ToLowerInvariant();
bool isMediaHookAvailable = lowerCasePathForComparisonNeeds.Contains(lowerCaseMediaHook);
bool isExtensionAvailable = MediaPathValidator.IsItemPathHasExtension(path);
string extensionWithDotPrefix = DOT_SEPARATOR + this.mediaSettings.DefaultMediaResourceExtension.ToLowerInvariant();
if (isMediaHookAvailable)
{
result = result + this.restGrammar.PathComponentSeparator + Uri.EscapeUriString(relativePath);
if (!isExtensionAvailable)
{
result = result + extensionWithDotPrefix;
}
}
else
{
result = result + this.restGrammar.PathComponentSeparator + lowerCaseMediaHook;
string mediaLibraryRoot = this.mediaSettings.MediaLibraryRoot.ToLowerInvariant();
int rootStartIndex = lowerCasePathForComparisonNeeds.IndexOf(mediaLibraryRoot);
bool isMediaRootAvailable = (rootStartIndex >= 0);
if (isMediaRootAvailable)
{
relativePath = path.Remove(rootStartIndex, this.mediaSettings.MediaLibraryRoot.Length);
}
bool isInvalidRelativePath = string.IsNullOrEmpty(relativePath);
if (isInvalidRelativePath)
{
throw new ArgumentException("ResourceUrlBuilder.BuildUrlStringForPath invalid path");
}
relativePath = Uri.EscapeUriString(relativePath);
result = result + relativePath + extensionWithDotPrefix;
}
result = this.AppendUrlStringWithDownloadOptions(result, options);
return result.ToLowerInvariant();
}
private async void DownloadImage(string itemPath, string widthStr, string heightStr)
{
if (string.IsNullOrEmpty(itemPath))
{
DialogHelper.ShowSimpleDialog(this, Resource.String.text_error, Resource.String.text_empty_path);
return;
}
try
{
IMediaOptionsBuilder builder = new MediaOptionsBuilder().Set;
if (!string.IsNullOrEmpty(widthStr))
{
var width = Int32.Parse(widthStr);
builder.Width(width);
}
if (!string.IsNullOrEmpty(heightStr))
{
var height = Int32.Parse(heightStr);
builder.Height(height);
}
var requestBuilder = ItemWebApiRequestBuilder.DownloadResourceRequestWithMediaPath(itemPath);
IDownloadMediaOptions options = builder.Build();
if (!options.IsEmpty)
{
requestBuilder.DownloadOptions(options);
}
this.SetProgressBarIndeterminateVisibility(true);
using (var session = Prefs.From(this).Session)
{
var response = await session.DownloadMediaResourceAsync(requestBuilder.Build());
this.SetProgressBarIndeterminateVisibility(false);
using (var imageBitmap = await BitmapFactory.DecodeStreamAsync(response))
{
this.targetImageView.SetImageBitmap(imageBitmap);
}
}
}
catch (Exception exception)
{
this.SetProgressBarIndeterminateVisibility(false);
var title = this.GetString(Resource.String.text_item_received);
DialogHelper.ShowSimpleDialog(this, title, exception.Message);
}
}
public MediaResourceDownloadParameters
(
ISessionConfig sessionSettings,
IItemSource itemSource,
IDownloadMediaOptions downloadOptions,
string mediaPath
)
{
this.SessionSettings = sessionSettings;
this.ItemSource = itemSource;
this.MediaPath = mediaPath;
this.DownloadOptions = downloadOptions;
}
public MediaResourceDownloadParameters
(
ISessionConfig sessionSettings,
IItemSource itemSource,
IDownloadMediaOptions downloadOptions,
string mediaPath
)
{
this.SessionSettings = sessionSettings;
this.ItemSource = itemSource;
this.MediaPath = mediaPath;
this.DownloadOptions = downloadOptions;
}
public string BuildUrlToRequestHashForPath(string path, IDownloadMediaOptions options)
{
string originalUrl = this.BuildUrlStringForPath(path, options);
string encodedOriginalUrl = UrlBuilderUtils.EscapeDataString(originalUrl);
var actionBuilder = new SSCActionBuilder(this.restGrammar, this.sscGrammar);
string result = actionBuilder.GetHashedMediaUrlAction(this.sessionConfig);
result = result +
this.restGrammar.HostAndArgsSeparator +
this.sscGrammar.UrlForHashingParameterName + this.restGrammar.KeyValuePairSeparator + encodedOriginalUrl;
return(result);
}
public static bool IsValidMediaOptions(IDownloadMediaOptions options)
{
if (null == options)
{
return(false);
}
if (options.IsEmpty)
{
return(false);
}
return(true);
}
public static bool IsValidMediaOptions(IDownloadMediaOptions options)
{
if (null == options)
{
return false;
}
if (options.IsEmpty)
{
return false;
}
return true;
}
private string SerializeOptions(IDownloadMediaOptions options)
{
bool isValidMediaOptions = MediaOptionsValidator.IsValidMediaOptions(options);
if (!isValidMediaOptions)
{
return(string.Empty);
}
Dictionary <string, string> optionsDictionary = options.OptionsDictionary;
string paramsString = string.Empty;
foreach (var pair in optionsDictionary)
{
paramsString = this.AddOptionValueToPath(paramsString, pair.Key, pair.Value);
}
return(paramsString);
}
public virtual IMediaResourceDownloadRequest DeepCopyReadMediaRequest()
{
ISessionConfig connection = null;
IItemSource itemSource = null;
IDownloadMediaOptions resizingOptions = null;
if (null != this.SessionSettings)
{
connection = this.SessionSettings.SessionConfigShallowCopy();
}
if (null != this.ItemSource)
{
itemSource = this.ItemSource.ShallowCopy();
}
if (null != this.DownloadOptions)
{
resizingOptions = this.DownloadOptions.DeepCopyMediaDownloadOptions();
}
return(new MediaResourceDownloadParameters(connection, itemSource, resizingOptions, this.MediaPath));
}
private string AppendUrlStringWithDownloadOptions(string path, IDownloadMediaOptions options)
{
string paramsString = this.SerializeOptions(options);
if (this.itemSource.Database != null)
{
paramsString = this.AddOptionValueToPath(paramsString, MediaItemUrlBuilder.DATABASE_KEY, this.itemSource.Database);
}
if (this.itemSource.Language != null)
{
paramsString = this.AddOptionValueToPath(paramsString, MediaItemUrlBuilder.LANGUAGE_KEY, this.itemSource.Language);
}
if (null != this.itemSource.VersionNumber)
{
string strVersionNumber = this.itemSource.VersionNumber.Value.ToString(CultureInfo.InvariantCulture);
paramsString = this.AddOptionValueToPath(paramsString, MediaItemUrlBuilder.VERSION_KEY, strVersionNumber);
}
if (!String.IsNullOrEmpty(paramsString))
{
paramsString = paramsString.Remove(paramsString.Length - this.restGrammar.FieldSeparator.Length);
path += this.restGrammar.HostAndArgsSeparator;
path += paramsString;
}
return path;
}
private string SerializeOptions(IDownloadMediaOptions options)
{
bool isValidMediaOptions = MediaOptionsValidator.IsValidMediaOptions(options);
if (!isValidMediaOptions)
{
return string.Empty;
}
Dictionary<string, string> optionsDictionary = options.OptionsDictionary;
string paramsString = string.Empty;
foreach (var pair in optionsDictionary)
{
paramsString = this.AddOptionValueToPath(paramsString, pair.Key, pair.Value);
}
return paramsString;
}
public string BuildUrlToRequestHashForPath(string path, IDownloadMediaOptions options)
{
string originalUrl = this.BuildUrlStringForPath(path, options);
string encodedOriginalUrl = UrlBuilderUtils.EscapeDataString(originalUrl);
var actionBuilder = new WebApiActionBuilder(this.restGrammar, this.webApiGrammar);
string result = actionBuilder.GetHashedMediaUrlAction(this.sessionConfig);
result = result +
this.restGrammar.HostAndArgsSeparator +
this.webApiGrammar.UrlForHashingParameterName + this.restGrammar.KeyValuePairSeparator + encodedOriginalUrl;
return result;
}
public IGetMediaItemRequestParametersBuilder <IMediaResourceDownloadRequest> DownloadOptions(IDownloadMediaOptions downloadMediaOptions)
{
BaseValidator.CheckForTwiceSetAndThrow(this.downloadMediaOptions, this.GetType().Name + ".DownloadMediaOptions");
BaseValidator.CheckMediaOptionsOrThrow(downloadMediaOptions, this.GetType().Name + ".DownloadMediaOptions");
this.downloadMediaOptions = downloadMediaOptions.DeepCopyMediaDownloadOptions();
return(this);
}
