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controller.xql
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controller.xql
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xquery version "3.0";
import module namespace config="http://syriaca.org/srophe/config" at "modules/config.xqm";
declare variable $exist:path external;
declare variable $exist:resource external;
declare variable $exist:controller external;
declare variable $exist:prefix external;
declare variable $exist:root external;
(: Get variables for Srophe collections. :)
declare variable $exist:record-uris :=
distinct-values(for $collection in $config:get-config//repo:collection
let $short-path := replace($collection/@record-URI-pattern,$config:base-uri,'')
return $short-path)
;
(: Get variables for Srophe collections. :)
declare variable $exist:collection-uris :=
distinct-values(for $collection in $config:get-config//repo:collection
let $short-path := replace($collection/@app-root,$config:base-uri,'')
return concat('/',$short-path,'/'))
;
(: Send to content negotiation:)
declare function local:content-negotiation($exist:path, $exist:resource){
if(starts-with($exist:resource, ('search','browse'))) then
let $format := request:get-parameter('format', '')
return
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{$exist:controller}/modules/content-negotiation/content-negotiation.xql"/>
<add-parameter name="format" value="{$format}"/>
</dispatch>
else
let $id := if($exist:resource = ('tei','xml','txt','pdf','json','geojson','kml','jsonld','rdf','ttl','atom')) then
tokenize(replace($exist:path,'/tei|/xml|/txt|/pdf|/json|/geojson|/kml|/jsonld|/rdf|/ttl|/atom',''),'/')[last()]
else replace(xmldb:decode($exist:resource), "^(.*)\..*$", "$1")
let $record-uri-root := substring-before($exist:path,$id)
let $id := if($config:get-config//repo:collection[ends-with(@record-URI-pattern, $record-uri-root)]) then
concat($config:get-config//repo:collection[ends-with(@record-URI-pattern, $record-uri-root)][1]/@record-URI-pattern,$id)
else $id
let $html-path := concat($config:get-config//repo:collection[ends-with(@record-URI-pattern, $record-uri-root)][1]/@app-root,'record.html')
let $format := if($exist:resource = ('tei','xml','txt','pdf','json','geojson','kml','jsonld','rdf','ttl','atom')) then
$exist:resource
else if(request:get-parameter('format', '') != '') then request:get-parameter('format', '')
else fn:tokenize($exist:resource, '\.')[fn:last()]
return
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{$exist:controller}/modules/content-negotiation/content-negotiation.xql">
<add-parameter name="id" value="{$id}"/>
<add-parameter name="format" value="{$format}"/>
</forward>
</dispatch>
};
if ($exist:path eq '') then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<redirect url="{request:get-uri()}/"/>
</dispatch>
else if ($exist:path eq "/") then
(: forward root path to index.xql :)
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<redirect url="index.html"/>
</dispatch>
(: Passes any api requests to correct endpoint:)
else if (contains($exist:path,'/api/')) then
if (ends-with($exist:path,"/")) then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<redirect url="/api-documentation/index.html"/>
</dispatch>
else if($exist:resource = 'index.html') then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<redirect url="/api-documentation/index.html"/>
</dispatch>
else if($exist:resource = 'oai') then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{replace($exist:path,'/api/oai','/srophe/modules/oai.xql')}"/>
</dispatch>
else if($exist:resource = 'sparql') then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{replace($exist:path,'/api/sparql','/srophe/sparql/run-sparql.xql')}"/>
</dispatch>
else
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{concat('/restxq/srophe', $exist:path)}" absolute="yes"/>
</dispatch>
(: Passes data to content negotiation module:)
else if(request:get-parameter('format', '') != '' and request:get-parameter('format', '') != 'html') then
local:content-negotiation($exist:path, $exist:resource)
else if(ends-with($exist:path,('/tei','/xml','/txt','/pdf','/json','/geojson','/kml','/jsonld','/rdf','/ttl','/atom'))) then
local:content-negotiation($exist:path, $exist:resource)
else if(ends-with($exist:resource,('.tei','.xml','.txt','.pdf','.json','.geojson','.kml','.jsonld','.rdf','.ttl','.atom'))) then
local:content-negotiation($exist:path, $exist:resource)
(: Checks for any record uri patterns as defined in repo.xml :)
else if(replace($exist:path, $exist:resource,'') = $exist:record-uris) then
if($exist:resource = ('301.html','500.html','404.html','index.html','search.html','browse.html','about.html','contact-us.html','history.html','project-team.html','submissions.html','record.html')) then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<view>
<forward url="{$exist:controller}/modules/view.xql"/>
</view>
<error-handler>
<forward url="{$exist:controller}/error-page.html" method="get"/>
<forward url="{$exist:controller}/modules/view.xql"/>
</error-handler>
</dispatch>
else
let $id := replace(xmldb:decode($exist:resource), "^(.*)\..*$", "$1")
let $record-uri-root := replace($exist:path,$exist:resource,'')
let $id := if($config:get-config//repo:collection[ends-with(@record-URI-pattern, $record-uri-root)]) then
concat($config:get-config//repo:collection[ends-with(@record-URI-pattern, $record-uri-root)][1]/@record-URI-pattern,$id)
else $id
let $html-path := concat($config:get-config//repo:collection[ends-with(@record-URI-pattern, $record-uri-root)][1]/@app-root,'record.html')
let $format := fn:tokenize($exist:resource, '\.')[fn:last()]
return
(:<div>HTML page for id: {$id} root: {$record-uri-root} HTML: {$html-path}</div>:)
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{$exist:controller}{$html-path}"></forward>
<view>
<forward url="{$exist:controller}/modules/view.xql">
<add-parameter name="id" value="{$id}"/>
</forward>
</view>
<error-handler>
<forward url="{$exist:controller}/error-page.html" method="get"/>
<forward url="{$exist:controller}/modules/view.xql"/>
</error-handler>
</dispatch>
else if (ends-with($exist:resource, ".html")) then
(: the html page is run through view.xql to expand templates :)
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<view>
<forward url="{$exist:controller}/modules/view.xql"/>
</view>
<error-handler>
<forward url="{$exist:controller}/error-page.html" method="get"/>
<forward url="{$exist:controller}/modules/view.xql"/>
</error-handler>
</dispatch>
(: Resource paths starting with $nav-base are resolved relative to app :)
else if (contains($exist:path, "/$nav-base/")) then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="{concat($exist:controller,'/', substring-after($exist:path, '/$nav-base/'))}">
<set-header name="Cache-Control" value="max-age=3600, must-revalidate"/>
</forward>
</dispatch>
(: Resource paths starting with $shared are loaded from the shared-resources app :)
else if (contains($exist:path, "/$shared/")) then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<forward url="/shared-resources/{substring-after($exist:path, '/$shared/')}">
<set-header name="Cache-Control" value="max-age=3600, must-revalidate"/>
</forward>
</dispatch>
(: Redirect folder roots to index.html:)
else if ($exist:resource eq '' or ends-with($exist:path,"/")) then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<redirect url="{concat($config:nav-base,'/',$exist:path,'/index.html')}"/>
</dispatch>
(: Redirects paths with directory, and no trailing slash to index.html in that directory :)
else if (matches($exist:resource, "^([^.]+)$")) then
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<redirect url="{concat($config:nav-base,'/',$exist:path,'/index.html')}"/>
</dispatch>
else
(: everything else is passed through :)
<dispatch xmlns="http://exist.sourceforge.net/NS/exist">
<cache-control cache="yes"/>
</dispatch>