[英]API Download File from BIM360 Doc Plans folder
我正在嘗試使用Forge API從Autodesk BIM360 Doc( https://docs.b360.autodesk.com )下載文件,以便隨后可以將這些文件保存到我們的本地存儲中。
我已設法使用數據管理API從“Project Files”文件夾下載任何文件https://forge.autodesk.com/en/docs/data/v2/reference/http/projects-project_id-versions-version_id-GET/ ,我可以使用data.relationships.storage.data.id獲取存儲ID。
但是使用相同的API,在“Plan”文件夾下查詢文件時無法獲取存儲ID,
那么有什么方法可以使用Forge API從Plan文件夾下載文件嗎? 任何幫助表示贊賞。
Plan文件夾中列出的項目是一種items:autodesk.bim360:Document
,此類型項目的GET版本/:version_id和GET項目/:item_id的響應中不會顯示存儲屬性。
要獲取物理文件位置,您應該調用GET版本/:version_id / relationships / refs ,請參閱此處查找類似的線程: 使用Autodesk API下載文檔
復制項目的更新
在通過GET版本/:version_id / relationships / refs訪問復制項目版本的關系數據時,您會看到一個數據屬性,根據我的經驗告訴復制項目和源項目之間的關系:
"data": [
{
"type": "versions",
"id": "urn:adsk.wipprod:fs.file:vf.34Xvlw1jTcSQ_XkIVh07cg?version=2",
"meta": {
"refType": "derived",
"fromId": "urn:adsk.wipprod:fs.file:vf.34Xvlw1jTcSQ_XkIVh07cg?version=2",
"fromType": "versions",
"toId": "urn:adsk.wipprod:fs.file:vf.y3L7YbfAQJWwumMgqjJUxg?version=1",
"toType": "versions",
"direction": "to",
"extension": {
"type": "derived:autodesk.bim360:CopyDocument",
"version": "1.0",
"schema": {
"href": "https://developer.api.autodesk.com/schema/v1/versions/derived:autodesk.bim360:CopyDocument-1.0"
},
"data": {}
}
}
}
],
之后,您必須通過調用GET版本/:version_id / relationships / refs來訪問fromId
的版本關系數據。
在這種情況下,它是{PROJ_ID}/versions/urn:adsk.wipprod:fs.file:vf.34Xvlw1jTcSQ_XkIVh07cg%3Fversion=2/relationships/refs
,然后您將在我的調查中看到響應中的storage
屬性。
為了防止其他人遇到同樣的問題,我發布了我最終設法獲取文件存儲信息的代碼。 但是,請隨意建議其他方法,而不是迭代到完整的關系樹。
internal static ForgeFileInfo getItemVersion(string token, string projectID, string versionID)
{
ForgeFileInfo forgeFileInfo = new ForgeFileInfo();
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
versionApi.Configuration.AccessToken = token;
var version = versionApi.GetVersion(projectID, versionID);
string fileType = version.data.attributes.extension.type;
switch (fileType) {
case "versions:autodesk.bim360:File":
//File from Project File library or is regual file
forgeFileInfo.FileName = version.data.attributes.displayName;
forgeFileInfo.FileLocation = version.data.relationships.storage.meta.link.href;
forgeFileInfo.StorageId = version.data.relationships.storage.data.id;
return forgeFileInfo;
case "versions:autodesk.bim360:Document":
//File from Plan Library
var versionRelationship=versionApi.GetVersionRelationshipsRefs(projectID, versionID);
// the GET Relationship has data node where we can get the related document
var relationshipData = new DynamicDictionaryItems(versionRelationship.data);
// let's start iterating the relationship DATA
foreach (KeyValuePair<string, dynamic> relationshipItem in relationshipData)
{
//Have to loop until we found "derived:autodesk.bim360:FileToDocument"
var relationType = relationshipItem.Value.meta.extension.type;
var relation = relationshipItem.Value.meta.direction;
if ("derived:autodesk.bim360:FileToDocument".Equals(relationType))
{
if ("to".Equals(relation))
{
//Go up stream
return getItemVersion(token, projectID, relationshipItem.Value.id);
}
}
else if ("derived:autodesk.bim360:CopyDocument".Equals(relationType))
{
if ("to".Equals(relation))
{
//Go up stream
return getItemVersion(token, projectID, relationshipItem.Value.id);
}
continue;
}
}
break;
}
return forgeFileInfo;
}
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