The document describes a set of actions and triggers to handle different types of post requests. It includes logic to: 1) Determine the type of post (e.g. text, link, file) based on parameters and route it to the appropriate handler. 2) Extract parameters like object type, text, user etc from the request and assign them to variables. 3) Perform actions like looking up existing objects and users, composing identifiers, and triggering events. 4) Return a response containing the object ID if creation was successful.

1. <resource name="post" path="/chatter/handlers/feeditems/{object_id}/">
<id>
<assign lhs="tmp1" order="1" rhs="1090" type="value"/>
</id>
<request>
<actions>
<!-- delete feed -->
<and>
<match field="method" key="httpmethods" mtype="nsdef" rhs="post"
next-match-alias="m2" />
<match field="postdata-key" mtype="strstr"
rhs="refreshRecentFiles" alias = "m2" next-match-alias="m3"/>
<match field="postdata-key" mtype="strstr" rhs="feedItemParentId"
alias = "m3" next-match-alias="m4" />
<match field="uri" mtype="strstr" rhs="delete" alias =
"m4" next-match-alias="m10"/>
</and>
<assign lhs="tmp1" order="1" rhs="2090" type="value"/>
<assign lhsvar="object_type" order="1" rhs="Message" type="value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="2" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="3"
type="key-value"/>
<assign lhs="oidstring" order="4" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="5" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="6" rhs="oidstring" rhsvar2="org_id"
type="concatvars"/>
<assign lhs="instance_id" order="7" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="8" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<assign lhs="tmp_user" order="10" rhs="from_user"
type="value"/>
<trigger name="Dummy" order="11">
<var name="from_user"/>
<var name="tmp_user"/>
<dict action="lookup" dbtype="app-session-persist-db"
key="tmp_user" val="from_user"/>
</trigger>
<trigger name="Delete" order="12">
<external>
<action name="nspolicy_lookup"/>
<action name="send_event"/>
</external>
<var name="from_user"/>
<var name="object_id"/>
<var name="object"/>
<var name="object_type"/>
<dict action="lookup" key="object_id" val="object"/>
</trigger>
</actions>
<actions>
<and>
<match lhsvar="tmp1" mtype="eq" rhs="1090" alias = "m10" next-
match-alias="m11" />
</and>
<trigger name="Post" order="2">
<external>

2. <action name="inspect_cibuffer_lookup"/>
</external>
</trigger>
</actions>
<actions>
<and>
<match lhsvar="tmp1" mtype="eq" rhs="1090" alias="m11"
next-match-alias="m12" />
<match field="postdata-key" mtype="strstr" rhs="text"
alias="m12"/>
<match field="postdata-key" key="feedItemType" mtype="kvp"
rhs="TextPost"/>
<match field="postdata-key" key="feedType" mtype="kvp"
rhs="feedType"/>
<match field="postdata-key" mtype="strstr" rhs="entityId"/>
</and>
<assign lhsvar="object_type" order="1" rhs="Message" type="value"/>
<assign field="postdata-key" key="feedType" lhs="to_object"
order="2" type="key-value"/>
<assign field="postdata-key" key="text" lhs="object" order="3"
type="key-value"/>
<assign field="postdata-key" key="text" lhs="message"
order="4" type="key-value"/>
<assign lhs="tmp1" order="5" rhs="0" type="value"/>
<assign lhs="tmp" order="6" rhs="673" type="value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="6" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="7"
type="key-value"/>
<assign lhs="oidstring" order="8" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="9" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="10" rhs="oidstring"
rhsvar2="org_id" type="concatvars"/>
<assign lhs="instance_id" order="11" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="12" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<assign lhs="tmp_user" order="13" rhs="from_user"
type="value"/>
<trigger name="Dummy" order="14">
<var name="from_user"/>
<var name="tmp_user"/>
<dict action="lookup" dbtype="app-session-persist-db"
key="tmp_user" val="from_user"/>
</trigger>
<trigger name="Post" order="15">
<external>
<action name="inspect_cibuffer"/>
<action name="send_event"/>
</external>
<var name="object"/>
<var name="object_type"/>
<var name="instance_id"/>
<var name="from_user"/>
</trigger>
</actions>
<!-- <actions>
<and>

3. <match field="method" key="httpmethods" mtype="nsdef" rhs="post"
next-match-alias="m4" />
</and>
<assign lhs="tmp1" order="1" rhs="1091" type="value"/>
<trigger name="Post" order="2">
<external>
<action name="inspect_cibuffer_lookup"/>
</external>
</trigger>
</actions>
<actions>
<and>
<match field="method" key="httpmethods" mtype="nsdef" rhs="post"
next-match-alias="m6" />
</and>
<assign lhs="tmp1" order="1" rhs="1092" type="value"/>
<trigger name="Post" order="2">
<external>
<action name="inspect_cibuffer_lookup"/>
</external>
</trigger>
</actions>
<actions>
<and>
<match field="method" key="httpmethods" mtype="nsdef" rhs="post"
next-match-alias="m8" />
</and>
<assign lhs="tmp1" order="1" rhs="1093" type="value"/>
<trigger name="Post" order="2">
<external>
<action name="inspect_cibuffer_lookup"/>
</external>
</trigger>
</actions>
<actions>
<and>
<match lhsvar="tmp1" mtype="eq" rhs="1091" alias="m4" next-
match-alias="m5" />
<match field="postdata-key" mtype="strstr" rhs="text"
alias="m5" />
<match field="uri" mtype="strstr" rhs="comments"/>
<match field="postdata-key" mtype="strstr"
rhs="externalDocumentId"/>
</and>
<assign lhsvar="object_type" order="1" rhs="Comment" type="value"/>
<assign field="postdata-key" key="text" lhs="object" order="2"
type="key-value"/>
<assign field="postdata-key" key="text" lhs="message"
order="3" type="key-value"/>
<assign lhs="tmp1" order="4" rhs="0" type="value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="5" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="6"
type="key-value"/>
<assign lhs="oidstring" order="7" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="8" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="9" rhs="oidstring" rhsvar2="org_id"
type="concatvars"/>

4. <assign lhs="instance_id" order="10" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="11" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<assign lhs="tmp_user" order="12" rhs="from_user"
type="value"/>
<trigger name="Dummy" order="13">
<var name="from_user"/>
<var name="tmp_user"/>
<dict action="lookup" dbtype="app-session-persist-db"
key="tmp_user" val="from_user"/>
</trigger>
<trigger name="Post" order="14">
<external>
<action name="inspect_cibuffer"/>
<action name="send_event"/>
</external>
<var name="object"/>
<var name="object_id"/>
<var name="object_type"/>
<var name="from_user"/>
<var name="instance_id"/>
<dict action="update" key="object_id" val="object"/>
</trigger>
<assign lhs="object" order="15" rhs=" " type="value"/>
</actions> -->
<!-- <actions>
<and>
<match field="postdata-key" key="feedItemType" mtype="kvp"
rhs="ContentPost"/>
<match field="postdata-key" key="feedType" mtype="kvp"
rhs="feedType"/>
</and>
<assign lhsvar="object_type" order="1" rhs="File" type="value"/>
<assign field="postdata-key" key="feedType" lhs="to_object"
order="2" type="key-value"/>
<assign field="postdata-key" key="contentDocumentId" lhs="object_id"
order="3" type="key-value"/>
<assign field="postdata-key" key="contentDocumentId"
lhs="to_object_id" order="4" type="key-value"/>
<assign field="postdata-key" key="text" lhs="object" order="5"
type="key-value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="6" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="7"
type="key-value"/>
<assign lhs="oidstring" order="8" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="9" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="10" rhs="oidstring"
rhsvar2="org_id" type="concatvars"/>
<assign lhs="instance_id" order="11" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="12" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<assign lhs="tmp_user" order="13" rhs="from_user"
type="value"/>
<trigger name="Dummy" order="14">
<var name="from_user"/>
<var name="tmp_user"/>
<dict action="lookup" dbtype="app-session-persist-db"

5. key="tmp_user" val="from_user"/>
</trigger>
<trigger name="Dummy" order="15">
<var name="to_object_id"/>
<var name="object"/>
<dict action="update" key="to_object_id" val="object"/>
</trigger>
<trigger name="Post" order="16">
<external>
<action name="nspolicy_lookup"/>
<action name="send_event"/>
</external>
<var name="to_object"/>
<var name="object"/>
<var name="object_id"/>
<var name="object_type"/>
<var name="instance_id"/>
<var name="from_user"/>
</trigger>
</actions> -->
<!-- cover when file is posted from my computer -->
<!-- <actions>
<and>
<match lhsvar="tmp1" mtype="eq" rhs="1092" alias="m6" next-
match-alias="m7" />
<match field="postdata-key" mtype="strstr" rhs="text"
alias="m7" />
<match field="postdata-key" key="feedItemType" mtype="kvp"
rhs="LinkPost"/>
<match field="postdata-key" key="feedType" mtype="kvp"
rhs="feedType"/>
</and>
<assign lhsvar="object_type" order="1" rhs="Link" type="value"/>
<assign field="postdata-key" key="text" lhs="to_object" order="2"
type="key-value"/>
<assign field="postdata-key" key="text" lhs="message"
order="3" type="key-value"/>
<assign field="postdata-key" key="url" lhs="object" order="4"
type="key-value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="5" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="6"
type="key-value"/>
<assign lhs="oidstring" order="7" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="8" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="9" rhs="oidstring" rhsvar2="org_id"
type="concatvars"/>
<assign lhs="instance_id" order="10" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="11" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<assign lhs="tmp_user" order="12" rhs="from_user"
type="value"/>
<trigger name="Dummy" order="13">
<var name="from_user"/>
<var name="tmp_user"/>
<dict action="lookup" dbtype="app-session-persist-db"
key="tmp_user" val="from_user"/>
</trigger>
<trigger name="Post" order="14">

6. <external>
<action name="inspect_cibuffer"/>
<action name="send_event"/>
</external>
<var name="object"/>
<var name="to_object"/>
<var name="object_type"/>
<var name="instance_id"/>
<var name="from_user"/>
</trigger>
</actions>
<actions>
<and>
<match lhsvar="tmp1" mtype="eq" rhs="1093" alias="m8" next-
match-alias="m9" />
<match field="postdata-key" mtype="strstr" rhs="question"
alias="m9" />
<match field="postdata-key" key="feedItemType" mtype="kvp"
rhs="PollPost"/>
<match field="postdata-key" key="feedType" mtype="kvp"
rhs="feedType"/>
</and>
<assign lhsvar="object_type" order="1" rhs="Poll" type="value"/>
<assign field="postdata-key" key="feedType" lhs="to_object"
order="2" type="key-value"/>
<assign field="postdata-key" key="question" lhs="object" order="3"
type="key-value"/>
<assign field="postdata-key" key="question" lhs="message"
order="4" type="key-value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="5" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="6"
type="key-value"/>
<assign lhs="oidstring" order="7" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="8" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="9" rhs="oidstring" rhsvar2="org_id"
type="concatvars"/>
<assign lhs="instance_id" order="10" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="11" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<assign lhs="tmp_user" order="12" rhs="from_user"
type="value"/>
<trigger name="Dummy" order="13">
<var name="from_user"/>
<var name="tmp_user"/>
<dict action="lookup" dbtype="app-session-persist-db"
key="tmp_user" val="from_user"/>
</trigger>
<trigger name="Post" order="14">
<external>
<action name="inspect_cibuffer"/>
<action name="send_event"/>
</external>
<var name="object"/>
<var name="object_type"/>
<var name="instance_id"/>
<var name="from_user"/>
</trigger>

7. </actions> -->
</request>
<!-- <response>
<info>
<field encodingtype="TEXT" name="resp-body" parsertype="stream"/>
</info>
<actions>
<and>
<match field="resp-body" mtype="decode-key">
<key name="&quot;feedItemId&quot;:" order="1"/>
</match>
<match lhsvar="tmp" mtype="eq" rhs="673"/>
</and>
<assign endswith="0x22" field="resp-body" lhs="object_id" order="1"
startswith="0x22" type="decode-key-value"/>
<assign lhs="tmp" order="2" rhs="0" type="value"/>
<assign field="cookie-key" key="lloopch_lpid" lhs="portal_id"
order="3" type="key-value"/>
<assign field="cookie-key" key="oid" lhs="org_id" order="4"
type="key-value"/>
<assign lhs="oidstring" order="5" rhs="oid=" type="value"/>
<assign lhs="pidstring" order="6" rhs=" pid=" type="value"/>
<assign lhs="instance_id" order="7" rhs="oidstring" rhsvar2="org_id"
type="concatvars"/>
<assign lhs="instance_id" order="8" rhs="instance_id"
rhsvar2="pidstring" type="concatvars"/>
<assign lhs="instance_id" order="9" rhs="instance_id"
rhsvar2="portal_id" type="concatvars"/>
<trigger endprocessing="y" name="Dummy" order="10">
<var name="object"/>
<var name="object_id"/>
<var name="object_type"/>
<var name="instance_id"/>
<var name="from_user"/>
<dict action="update" key="object_id" val="object"/>
</trigger>
<assign lhs="object" order="11" rhs=" " type="value"/>
</actions>
</response>-->
</resource>