First stab at cache management backend. Everything seems to have been tested and working so far, but a number of things require a more specialized cache and can't go through the framework (e.g. user ranks which use references to map usernames to user IDs)
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://web.resource.org/cc/"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:sodipodi="http://inkscape.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
sodipodi:docname="face-sad.svg"
sodipodi:docbase="/home/jimmac/gfx/ximian/tango-desktop-theme/scalable/emotes"
inkscape:version="0.41+cvs"
sodipodi:version="0.32"
id="svg4376"
height="48px"
width="48px">
<defs
id="defs3">
<linearGradient
id="linearGradient3290">
<stop
style="stop-color:#fffcde;stop-opacity:1.0000000;"
offset="0.0000000"
id="stop3292" />
<stop
id="stop3294"
offset="0.64485979"
style="stop-color:#f6e76a;stop-opacity:1.0000000;" />
<stop
style="stop-color:#ffb738;stop-opacity:1.0000000;"
offset="1.0000000"
id="stop3296" />
</linearGradient>
<radialGradient
inkscape:collect="always"
xlink:href="#linearGradient3290"
id="radialGradient2714"
gradientUnits="userSpaceOnUse"
cx="29.288071"
cy="15.720984"
fx="29.158466"
fy="15.755712"
r="8.9020796" />
<linearGradient
id="linearGradient2509">
<stop
style="stop-color:#fffbd5;stop-opacity:1.0000000;"
offset="0.0000000"
id="stop2511" />
<stop
style="stop-color:#edd400;stop-opacity:1.0000000;"
offset="1.0000000"
id="stop2513" />
</linearGradient>
<radialGradient
gradientTransform="matrix(1.250000,0.000000,0.000000,-1.250000,-6.479446,73.66448)"
id="aigrd2"
cx="25.0527"
cy="39.5928"
r="15.7572"
fx="25.0527"
fy="39.5928"
gradientUnits="userSpaceOnUse">
<stop
offset="0.0000000"
style="stop-color:#777777;stop-opacity:1.0000000;"
id="stop8602" />
<stop
offset="1"
style="stop-color:#000000"
id="stop8604" />
</radialGradient>
<linearGradient
id="linearGradient4565"
inkscape:collect="always">
<stop
id="stop4567"
offset="0"
style="stop-color:#000000;stop-opacity:1;" />
<stop
id="stop4569"
offset="1"
style="stop-color:#000000;stop-opacity:0;" />
</linearGradient>
<linearGradient
id="linearGradient3824">
<stop
id="stop3826"
offset="0"
style="stop-color:#ffffff;stop-opacity:1;" />
<stop
id="stop3828"
offset="1.0000000"
style="stop-color:#c9c9c9;stop-opacity:1.0000000;" />
</linearGradient>
<linearGradient
id="linearGradient3800">
<stop
id="stop3802"
offset="0.0000000"
style="stop-color:#ffeed6;stop-opacity:1.0000000;" />
<stop
style="stop-color:#e49c2f;stop-opacity:1.0000000;"
offset="0.50000000"
id="stop8664" />
<stop
id="stop3804"
offset="1.0000000"
style="stop-color:#ffc66c;stop-opacity:1.0000000;" />
</linearGradient>
<radialGradient
gradientUnits="userSpaceOnUse"
gradientTransform="matrix(1.000000,0.000000,0.000000,0.333333,0.000000,25.71429)"
r="19.714285"
fy="38.571430"
fx="24.714285"
cy="38.571430"
cx="24.714285"
id="radialGradient4571"
xlink:href="#linearGradient4565"
inkscape:collect="always" />
</defs>
<sodipodi:namedview
inkscape:window-y="184"
inkscape:window-x="223"
inkscape:window-height="739"
inkscape:window-width="700"
inkscape:showpageshadow="false"
inkscape:document-units="px"
inkscape:grid-bbox="true"
showgrid="false"
inkscape:current-layer="layer1"
inkscape:cy="24.058534"
inkscape:cx="25.411306"
inkscape:zoom="11.313708"
inkscape:pageshadow="2"
inkscape:pageopacity="0.0"
borderopacity="0.19607843"
bordercolor="#666666"
pagecolor="#ffffff"
id="base"
fill="#edd400" />
<metadata
id="metadata4">
<rdf:RDF
id="RDF5">
<cc:Work
id="Work6"
rdf:about="">
<dc:format
id="format7">image/svg+xml</dc:format>
<dc:type
rdf:resource="http://purl.org/dc/dcmitype/StillImage"
id="type9" />
<dc:title
id="title8909">Face - Sad</dc:title>
<dc:subject
id="subject8911">
<rdf:Bag
id="Bag8913">
<rdf:li
id="li3283">emoticon</rdf:li>
<rdf:li
id="li3285">emote</rdf:li>
<rdf:li
id="li3287">smiley</rdf:li>
<rdf:li
id="li3289">sad</rdf:li>
<rdf:li
id="li3291">:(</rdf:li>
<rdf:li
id="li3293">:-(</rdf:li>
</rdf:Bag>
</dc:subject>
<cc:license
rdf:resource="http://creativecommons.org/licenses/by-nc-sa/2.0/"
id="license9103" />
<dc:creator
id="creator9121">
<cc:Agent
id="Agent9123">
<dc:title
id="title9125">Jakub Steiner</dc:title>
</cc:Agent>
</dc:creator>
<dc:source
id="source9127">http://jimmac.musichall.cz</dc:source>
</cc:Work>
<cc:License
id="License9105"
rdf:about="http://creativecommons.org/licenses/by-nc-sa/2.0/">
<cc:permits
id="permits9107"
rdf:resource="http://web.resource.org/cc/Reproduction" />
<cc:permits
id="permits9109"
rdf:resource="http://web.resource.org/cc/Distribution" />
<cc:requires
id="requires9111"
rdf:resource="http://web.resource.org/cc/Notice" />
<cc:requires
id="requires9113"
rdf:resource="http://web.resource.org/cc/Attribution" />
<cc:prohibits
id="prohibits9115"
rdf:resource="http://web.resource.org/cc/CommercialUse" />
<cc:permits
id="permits9117"
rdf:resource="http://web.resource.org/cc/DerivativeWorks" />
<cc:requires
id="requires9119"
rdf:resource="http://web.resource.org/cc/ShareAlike" />
</cc:License>
</rdf:RDF>
</metadata>
<g
inkscape:groupmode="layer"
inkscape:label="Layer 1"
id="layer1">
<path
d="M 44.428570 38.571430 A 19.714285 6.5714288 0 1 1 5.0000000,38.571430 A 19.714285 6.5714288 0 1 1 44.428570 38.571430 z"
sodipodi:ry="6.5714288"
sodipodi:rx="19.714285"
sodipodi:cy="38.571430"
sodipodi:cx="24.714285"
id="path4563"
style="opacity:0.53164557;color:#000000;fill:url(#radialGradient4571);fill-opacity:1.0;fill-rule:evenodd;stroke:none;stroke-width:0.40487173;stroke-linecap:round;stroke-linejoin:round;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4.0000000;stroke-dasharray:none;stroke-dashoffset:0.0000000;stroke-opacity:1.0000000;visibility:visible;display:inline;overflow:visible"
sodipodi:type="arc" />
<path
transform="matrix(2.083142,0.000000,0.000000,2.083142,-40.54715,-16.49224)"
d="M 39.774755 19.008621 A 8.6620579 8.6620579 0 1 1 22.450640,19.008621 A 8.6620579 8.6620579 0 1 1 39.774755 19.008621 z"
sodipodi:ry="8.6620579"
sodipodi:rx="8.6620579"
sodipodi:cy="19.008621"
sodipodi:cx="31.112698"
id="path4320"
style="opacity:1.0000000;color:#000000;fill:url(#radialGradient2714);fill-opacity:1.0000000;fill-rule:evenodd;stroke:#9c8c0a;stroke-width:0.48004404;stroke-linecap:round;stroke-linejoin:round;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4.0000000;stroke-dasharray:none;stroke-dashoffset:0.0000000;stroke-opacity:1.0000000;visibility:visible;display:inline;overflow:visible"
sodipodi:type="arc" />
<path
transform="matrix(1.979782,0.000000,0.000000,1.979782,-37.33128,-14.52746)"
sodipodi:type="arc"
style="opacity:0.67721519;color:#000000;fill:none;fill-opacity:1.0000000;fill-rule:evenodd;stroke:#ffffff;stroke-width:0.50510627;stroke-linecap:round;stroke-linejoin:round;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4.0000000;stroke-dasharray:none;stroke-dashoffset:0.0000000;stroke-opacity:1.0000000;visibility:visible;display:inline;overflow:visible"
id="path4322"
sodipodi:cx="31.112698"
sodipodi:cy="19.008621"
sodipodi:rx="8.6620579"
sodipodi:ry="8.6620579"
d="M 39.774755 19.008621 A 8.6620579 8.6620579 0 1 1 22.450640,19.008621 A 8.6620579 8.6620579 0 1 1 39.774755 19.008621 z" />
<path
sodipodi:nodetypes="czczc"
id="path1387"
d="M 34.014268,32.036842 C 30.290694,27.872830 28.451859,26.405561 24.462492,26.405561 C 20.561313,26.405561 17.962820,28.093607 15.087492,32.390396 C 18.520789,30.041583 20.397124,28.740900 24.197327,28.740900 C 27.909166,28.740900 29.948404,29.791599 34.014268,32.036842 z "
style="overflow:visible;display:inline;visibility:visible;stroke-opacity:1.0000000;stroke-dashoffset:0.0000000;stroke-dasharray:none;marker-end:none;marker-mid:none;marker-start:none;marker:none;stroke-linejoin:miter;stroke-linecap:butt;stroke-width:1.0000000;fill-opacity:1.0000000;color:#000000;opacity:0.35999998;stroke-miterlimit:4.0000000;stroke:none;fill-rule:nonzero;fill:#ffffff" />
<path
style="fill:url(#aigrd2);fill-rule:nonzero;stroke:none;stroke-miterlimit:4.0000000"
d="M 34.014268,31.329738 C 30.290694,27.165726 28.451859,25.698457 24.462492,25.698457 C 20.561313,25.698457 17.962820,27.386503 15.087492,31.683292 C 18.520789,29.334479 20.397124,28.033796 24.197327,28.033796 C 27.909166,28.033796 29.948404,29.084495 34.014268,31.329738 z "
id="path8606"
sodipodi:nodetypes="czczc" />
<g
transform="translate(0.353553,2.392706)"
id="g8666">
<path
style="opacity:0.35999998;fill:#ffffff;fill-rule:nonzero;stroke:none;stroke-miterlimit:4.0000000"
d="M 21.398158,15.321428 C 21.398158,17.821428 20.273158,19.821428 18.898158,19.821428 C 17.523158,19.821428 16.273158,17.821428 16.273158,15.321428 C 16.273158,12.821428 17.398158,10.821428 18.773158,10.821428 C 20.148158,10.821428 21.273158,12.821428 21.273158,15.321428 L 21.398158,15.321428 z "
id="path8610" />
<path
style="opacity:0.35999998;fill:#ffffff;fill-rule:nonzero;stroke:none;stroke-miterlimit:4.0000000"
d="M 30.688512,15.321428 C 30.688512,17.821428 29.563512,19.821428 28.188512,19.821428 C 26.813512,19.821428 25.688512,17.821428 25.688512,15.321428 C 25.688512,12.821428 26.813512,10.821428 28.188512,10.821428 C 29.563512,10.821428 30.688512,12.821428 30.688512,15.321428 z "
id="path8612" />
<path
style="fill:#000000;fill-rule:nonzero;stroke:none;stroke-miterlimit:4.0000000"
d="M 21.398158,14.696428 C 21.398158,17.196428 20.273158,19.196428 18.898158,19.196428 C 17.523158,19.196428 16.398158,17.196428 16.398158,14.696428 C 16.398158,12.196428 17.523158,10.196428 18.898158,10.196428 C 20.273158,10.196428 21.398158,12.196428 21.398158,14.696428 z "
id="path8614" />
<path
style="fill:#000000;fill-rule:nonzero;stroke:none;stroke-miterlimit:4.0000000"
d="M 30.688512,14.696428 C 30.688512,17.196428 29.563512,19.196428 28.188512,19.196428 C 26.813512,19.196428 25.688512,17.196428 25.688512,14.696428 C 25.688512,12.196428 26.813512,10.196428 28.188512,10.196428 C 29.563512,10.196428 30.688512,12.196428 30.688512,14.696428 z "
id="path8616" />
</g>
</g>
</svg>
