Swift Requires Chilkat v11.7.0+
Swift
Box: Search Files with Offset Pagination
See more Box Examples
Run the reusable setup once per HttpCurl object, then select names and execute the operation. The setup is repeated here only to make this published example independently runnable. Search within a folder hierarchy. Box search is indexed and may lag recent changes; use returned upload IDs for immediate follow-up requests. Search uses offset pagination, not folder-list markers.
See the Box API guide for setup and the complete workflow.
Chilkat Swift Downloads
func chilkatTest() {
var success: Bool = false
// Requires Chilkat 11.7.0 or later and a previously unlocked Chilkat bundle.
// See Global Unlock Sample.
// Guide: Box API Guide.
success = false
// BEGIN ONE-TIME SETUP
// This block is repeated so each published example can run on its own.
// In an application, run the setup example once and pass the SAME curl object
// to operation code below. Do not recreate it for every operation.
// See Reusable Box HttpCurl Setup.
let curl = CkoHttpCurl()!
curl.setVar(varName: "access_token", varValue: "BOX_ACCESS_TOKEN")
curl.setVar(varName: "parent_name", varValue: "/")
// Box's fixed root ID is an implementation detail; callers supply names.
curl.setVar(varName: "parent_id", varValue: "0")
let setupCommand = CkoStringBuilder()!
var setupReplacements: Int
// Register findParent; registration sends no request.
setupCommand.setString(value: "curl -X GET \"https://api.box.com/2.0/folders/0/items?limit=1000&fields=id,type,name\" -H \"Authorization: Bearer ACCESS_TOKEN\"")
setupReplacements = setupCommand.replace(value: "ACCESS_TOKEN", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.addFunction(funcName: "findParent", curl: setupCommand.getAsString())
if success != true {
print("\(curl.lastErrorText!)")
return
}
// Register findFolder; registration sends no request.
setupCommand.setString(value: "curl -X GET \"https://api.box.com/2.0/folders/{{parent_id}}/items?limit=1000&fields=id,type,name\" -H \"Authorization: Bearer ACCESS_TOKEN\"")
setupReplacements = setupCommand.replace(value: "ACCESS_TOKEN", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.addFunction(funcName: "findFolder", curl: setupCommand.getAsString())
if success != true {
print("\(curl.lastErrorText!)")
return
}
// Register findFile; registration sends no request.
setupCommand.setString(value: "curl -X GET \"https://api.box.com/2.0/folders/{{folder_id}}/items?limit=1000&fields=id,type,name\" -H \"Authorization: Bearer ACCESS_TOKEN\"")
setupReplacements = setupCommand.replace(value: "ACCESS_TOKEN", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.addFunction(funcName: "findFile", curl: setupCommand.getAsString())
if success != true {
print("\(curl.lastErrorText!)")
return
}
// Register findDestination; registration sends no request.
setupCommand.setString(value: "curl -X GET \"https://api.box.com/2.0/folders/0/items?limit=1000&fields=id,type,name\" -H \"Authorization: Bearer ACCESS_TOKEN\"")
setupReplacements = setupCommand.replace(value: "ACCESS_TOKEN", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.addFunction(funcName: "findDestination", curl: setupCommand.getAsString())
if success != true {
print("\(curl.lastErrorText!)")
return
}
// Register getFileDetails; registration sends no request.
setupCommand.setString(value: "curl -X GET \"https://api.box.com/2.0/files/{{file_id}}?fields=id,sha1,file_version\" -H \"Authorization: Bearer ACCESS_TOKEN\"")
setupReplacements = setupCommand.replace(value: "ACCESS_TOKEN", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.addFunction(funcName: "getFileDetails", curl: setupCommand.getAsString())
if success != true {
print("\(curl.lastErrorText!)")
return
}
// Register getEnterprise; registration sends no request.
setupCommand.setString(value: "curl -X GET \"https://api.box.com/2.0/users/me?fields=enterprise\" -H \"Authorization: Bearer ACCESS_TOKEN\"")
setupReplacements = setupCommand.replace(value: "ACCESS_TOKEN", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.addFunction(funcName: "getEnterprise", curl: setupCommand.getAsString())
if success != true {
print("\(curl.lastErrorText!)")
return
}
// Register output rules once. Chilkat 11.7.0 evaluates {{name}} variables
// when extracting each output, using the current value at that time.
success = curl.addOutput2(funcName: "findParent", arrayPath: "entries", wherePath: "name", whereValue: "{{parent_name}}", caseSensitive: true, subPath: "id", varName: "parent_id")
if success != true {
print("\(curl.lastErrorText!)")
return
}
success = curl.addOutput2(funcName: "findFolder", arrayPath: "entries", wherePath: "name", whereValue: "{{folder_name}}", caseSensitive: true, subPath: "id", varName: "folder_id")
if success != true {
print("\(curl.lastErrorText!)")
return
}
success = curl.addOutput2(funcName: "findFile", arrayPath: "entries", wherePath: "name", whereValue: "{{file_name}}", caseSensitive: true, subPath: "id", varName: "file_id")
if success != true {
print("\(curl.lastErrorText!)")
return
}
success = curl.addOutput2(funcName: "findDestination", arrayPath: "entries", wherePath: "name", whereValue: "{{destination_name}}", caseSensitive: true, subPath: "id", varName: "destination_id")
if success != true {
print("\(curl.lastErrorText!)")
return
}
success = curl.addOutput(funcName: "getFileDetails", jsonPath: "file_version.id", varName: "file_version_id")
if success != true {
print("\(curl.lastErrorText!)")
return
}
success = curl.addOutput(funcName: "getFileDetails", jsonPath: "sha1", varName: "file_sha1")
if success != true {
print("\(curl.lastErrorText!)")
return
}
success = curl.addOutput(funcName: "getEnterprise", jsonPath: "enterprise.id", varName: "enterprise_id")
if success != true {
print("\(curl.lastErrorText!)")
return
}
// END ONE-TIME SETUP
// The name lookups below assume each listing fits in one page (1000 items).
// Parent and destination names select root children; folder_name selects a child
// of parent_name. "/" selects the root parent. These are not arbitrary paths.
// BEGIN OPERATION -- keep the configured object when reusing it.
// Inputs are names. Retain cached IDs when the selected names have not changed.
var parentName: String? = "/"
var folderName: String? = "images"
if (curl.getVar(varName: "parent_name") != parentName) || ((parentName == "/") && (curl.varDefined(varName: "parent_id") == false)) {
curl.setVar(varName: "parent_name", varValue: parentName)
curl.clearVar(varName: "parent_id")
curl.clearVar(varName: "folder_id")
curl.clearVar(varName: "file_id")
curl.clearVar(varName: "file_version_id")
curl.clearVar(varName: "file_sha1")
if parentName == "/" {
curl.setVar(varName: "parent_id", varValue: "0")
}
}
if curl.getVar(varName: "folder_name") != folderName {
curl.setVar(varName: "folder_name", varValue: folderName)
curl.clearVar(varName: "folder_id")
curl.clearVar(varName: "file_id")
curl.clearVar(varName: "file_version_id")
curl.clearVar(varName: "file_sha1")
}
curl.setVar(varName: "query", varValue: "penguins")
let page = CkoJsonObject()!
let number = CkoStringBuilder()!
var offset: Int = 0
var count: Int
var pageLimit: Int
var total: Int
var i: Int
var more: Bool = true
while more == true {
number.clear()
number.appendInt(value: offset)
curl.setVar(varName: "offset", varValue: number.getAsString())
curl.clearTargetOutput(varName: "*")
let authorizedCommand1 = CkoStringBuilder()!
authorizedCommand1.setString(value: "curl -X GET \"https://api.box.com/2.0/search?query={{query}}&type=file&ancestor_folder_ids={{folder_id}}&content_types=name&limit=100&offset={{offset}}\" -H \"Authorization: Bearer {{access_token}}\"")
var headerReplacement1: Int = authorizedCommand1.replace(value: "{{access_token}}", replacement: curl.getVar(varName: "access_token")).intValue
success = curl.doYourThing(targetCurl: authorizedCommand1.getAsString())
if (success != true) || (curl.statusCode.intValue != 200) {
print("Box request failed. HTTP status: \(curl.statusCode.intValue)")
print("Failure reason: \(curl.failReason.intValue)")
print("\(curl.responseBodyStr!)")
return
}
success = curl.getResponseJson(json: page)
if success != true {
print("\(curl.lastErrorText!)")
return
}
count = page.size(ofArray: "entries").intValue
i = 0
while i < count {
page.i = i
print("\(page.string(of: "entries[i].id")!) \(page.string(of: "entries[i].name")!)")
i = i + 1
}
pageLimit = page.int(of: "limit").intValue
total = page.int(of: "total_count").intValue
if pageLimit <= 0 {
print("Missing or invalid search page limit.")
return
}
offset = offset + pageLimit
more = (offset < total) && (count > 0)
if (more == true) && (offset > 9999) {
print("Search offset limit reached; narrow the query or folder scope.")
return
}
}
}